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Powder River Basin, North America Plate i
Regional Level Types
Powder River Basin Basin
North America Plate Tectonic Plate

Regional Level Types
Powder River Basin	Basin
North America Plate	Tectonic Plate

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Predictive Mineralogy Search Google Type Localities in Region

View of the Gilette coal mining area, ca. 1930.

Wyodak Coal seams, Campbell County, Wyoming, USA

Buffalo Mine Head Frame at Exxon's Highland Uranium mine c. 1976

Highland Uranium Operation, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

Coal Mine Subsidence

Sheridan, Sheridan County, Wyoming, USA

View of the Gilette coal mining area, ca. 1930.

Wyodak Coal seams, Campbell County, Wyoming, USA

Buffalo Mine Head Frame at Exxon's Highland Uranium mine c. 1976

Highland Uranium Operation, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

Coal Mine Subsidence

Sheridan, Sheridan County, Wyoming, USA

View of the Gilette coal mining area, ca. 1930.

Wyodak Coal seams, Campbell County, Wyoming, USA

Buffalo Mine Head Frame at Exxon's Highland Uranium mine c. 1976

Highland Uranium Operation, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

Type:

Basin

Largest Settlements:

Place	Population
Gillette	32,649 (2017)
Sheridan	17,873 (2017)
Douglas	6,531 (2017)
Buffalo	4,632 (2017)
Lame Deer	2,052 (2011)
Wright	1,862 (2017)

Mindat Locality ID:

421075

Long-form identifier:

1:2:421075:0

GUID (UUID V4):

4c55dd77-ff59-43e6-988d-ddd5a5141cbc

The Powder River Basin is a large Cenozoic and Mesozoic foreland basin in eastern Wyoming and southeastern Montana. It is bordered on the north by the Miles City Arch, on the east by the Black Hills Uplift, on the south by the Hartville Uplift and the Laramie Uplift, and on the west by the Bighorn Uplift.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

Mineral List

Mineral list contains entries from the region specified including sub-localities

ⓘ var. Chromium-bearing Clinochlore

ⓘ var. Sheridanite

ⓘ Clinoferrosilite

ⓘ 'Clinopyroxene Subgroup'

ⓘ 'Ferro-actinolite-Tremolite Series'

ⓘ 'Serpentine Subgroup'

ⓘ 'Unnamed (Ba aluminate)' (FRL)

65 valid minerals. 3 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

Locality: Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

Reference: Sumaila, S. (2017). Mineralogical and Geochemical Characterisation of Cores from an in Situ Recovery Uranium Mine. Masters of Science In the Department of Geological Sciences University of Saskatchewan

ⓘ Alumoåkermanite

Formula: (CaNa)Al[Si₂O₇]

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Gunnar Färber

Amber, etc.

Wyodak Coal seams, Campbell County, Wyoming, USA

ⓘ 'Amber'

Locality: Wyodak Coal seams, Campbell County, Wyoming, USA

Description: Amber (veins of amber to 3 inches wide and several feet long within coal seams)

Reference: Rocks & Minerals 76:383

ⓘ Ammoniojarosite

Formula: (NH₄)Fe³⁺₃(SO₄)₂(OH)₆

Locality: I90 roadcut, Buffalo, Johnson County, Wyoming, USA

Reference: Canadian Mineralogist Vol. 20, pp.91-95 (1982)

ⓘ Anhydrite

Formula: CaSO₄

Locality: Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

ⓘ Anorthite

Formula: Ca(Al₂Si₂O₈)

Localities:

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA
Healy Coal seam, Buffalo, Johnson County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ 'Asbestos'

Locality: Koch asbestos deposit, Converse County, Wyoming, USA

Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Autunite

Formula: Ca(UO₂)₂(PO₄)₂ · 10-12H₂O

Locality: Southern Powder River Basin Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Azurite

Formula: Cu₃(CO₃)₂(OH)₂

Locality: Trail Creek mine area, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Baryte

Formula: BaSO₄

Localities:

Davis Fee Land Occurrence, Lance Creek, Niobrara County, Wyoming, USA
Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Beryl

Formula: Be₃Al₂(Si₆O₁₈)

Localities:

Schundler-Glenrock feldspar pegmatite, Converse County, Wyoming, USA
Mica pegmatite prospect, Converse County, Wyoming, USA
Big-B Mine, Johnson County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Beryl var. Aquamarine

Formula: Be₃Al₂Si₆O₁₈

Locality: Big-B Mine, Johnson County, Wyoming, USA

Reference: http://www.stormme56.vcn.com/

ⓘ Boltwoodite

Formula: (K,Na)(UO₂)(SiO₃OH) · 1.5H₂O

Locality: Moore Claim, Lance Creek, Niobrara County, Wyoming, USA

Reference: Honea, R.M. (1961) New data on boltwoodite, an alkali uranyl silicate. American Mineralogist: 46: 12-25.

ⓘ Calcite

Formula: CaCO₃

Localities:

Earl Brown Property (AEC Anomaly No. 13), Campbell County, Wyoming, USA
Pat No. 8 Occurrence, Southern Powder River Basin Mining District, Converse County, Wyoming, USA
3 - 10 Mine (Section 3 - 10 Uranium Mine), Southern Powder River Basin Mining District, Converse County, Wyoming, USA
Highland Uranium Operation, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA
Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp361-370.

Carnotite

Kerr McGee property, Campbell County, Wyoming, USA

ⓘ Carnotite

Formula: K₂(UO₂)₂(VO₄)₂ · 3H₂O

Localities: Reported from at least 17 localities in this region.

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Chalcocite

Formula: Cu₂S

Localities:

Trail Creek mine area, Converse County, Wyoming, USA
La Prele Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities:

War Bonnet Mining District, Converse County, Wyoming, USA
Deer Creek Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ 'Chlorite Group'

Locality: Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Locality: Deer Creek Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Chrysotile

Formula: Mg₃(Si₂O₅)(OH)₄

Localities:

Koch asbestos deposit, Converse County, Wyoming, USA
Deer Creek Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Clinochlore

Formula: Mg₅Al(AlSi₃O₁₀)(OH)₈

Localities:

Deer Creek Mining District, Converse County, Wyoming, USA
Little Falls claim, Sheridan County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Clinochlore var. Chromium-bearing Clinochlore

Formula: Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈

Locality: Deer Creek Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Clinochlore var. Sheridanite

Formula: (Mg,Al,Fe)₆(Si,Al)₄O₁₀(OH)₈

Locality: Little Falls claim, Sheridan County, Wyoming, USA

Reference: Osterwald, F. W. and D. B. Osterwald (1952) Wyoming Mineral Resources. Wyoming Geological Survey Bulletin 45

ⓘ Clinoferrosilite

Formula: Fe²⁺₂Si₂O₆

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Gunnar Färber - Mineralienliste 3-2017.

ⓘ 'Clinopyroxene Subgroup'

Locality: Healy Coal seam, Buffalo, Johnson County, Wyoming, USA

Reference: AmMin 72:137

ⓘ Coffinite

Formula: U(SiO₄) · nH₂O

Localities: Reported from at least 8 localities in this region.

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Cristobalite

Formula: SiO₂

Localities:

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA
Healy Coal seam, Buffalo, Johnson County, Wyoming, USA

Reference: Gunnar Färber - Mineralienliste 3-2017.

ⓘ Dorrite (TL)

Formula: Ca₄(Mg₃Fe³⁺₉)O₄(Si₃Al₈Fe³⁺O₃₆)

Localities:

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA
Healy Coal seam, Buffalo, Johnson County, Wyoming, USA

Type Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Amer.Min.(1988) 73, 1440-1448

ⓘ Erythrite

Formula: Co₃(AsO₄)₂ · 8H₂O

Locality: Trail Creek mine area, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

Esseneite

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

ⓘ Esseneite (TL)

Formula: CaFe³⁺[AlSiO₆]

Type Locality:

Reference: Am.Min. 72 (1987), 148; Lee, S., Xu, H., Xu, H., Jacobs, R., Morgan, D. (2019) Valleyite: A new magnetic mineral with the sodalite-type structure. American Mineralogist: 140(9): 1238-1245.

ⓘ 'Feldspar Group'

Locality: Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

ⓘ 'Ferro-actinolite-Tremolite Series'

Locality: Amphibolite dikes of igneous origin, Converse County, Wyoming, USA

Description: Nephrite jade (within the amphibolite dikes, Laramie Mts)

Reference: Rocks & Minerals 76:385

ⓘ Ferroindialite

Formula: (Fe²⁺,Mg)₂Al₄Si₅O₁₈

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Gunnar Färber - Mineralienliste 3-2017.

ⓘ Ferroselite

Formula: FeSe₂

Locality: Vern Mrak uranium mine, Southern Powder River Basin Mining District, Converse County, Wyoming, USA

Reference: USGS Prof Paper 550C ppC133-C137

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

Locality: Big-B Mine, Johnson County, Wyoming, USA

Reference: http://www.stormme56.vcn.com/

Gehlenite, etc.

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

ⓘ Gehlenite

Formula: Ca₂Al[AlSiO₇]

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ 'Glass'

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: M. A. Cosca and D. R. Peacor (1987) Chemistry and Structure of Esseneite. Am. Min. 72:148-156.

ⓘ Goethite

Formula: α-Fe³⁺O(OH)

Localities:

Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA
Lamb Claims, Converse County, Wyoming, USA

ⓘ 'Gummite'

Locality: Southern Powder River Basin Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

Gypsum

Sheridan, Sheridan County, Wyoming, USA

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Localities:

Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA
Sheridan, Sheridan County, Wyoming, USA
I90 roadcut, Buffalo, Johnson County, Wyoming, USA

ⓘ Gypsum var. Selenite

Formula: CaSO₄ · 2H₂O

Locality: I90 roadcut, Buffalo, Johnson County, Wyoming, USA

Reference: Canadian Mineralogist Vol. 20, pp.91-95 (1982)

ⓘ Hematite

Formula: Fe₂O₃

Localities:

Trail Creek mine area, Converse County, Wyoming, USA
Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA
Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA
Healy Coal seam, Buffalo, Johnson County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ 'Hornblende'

Locality: Kreisley mine, Trail Creek mine area, Converse County, Wyoming, USA

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Indialite

Formula: Mg₂Al₃(AlSi₅O₁₈)

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Gunnar Färber - Mineralienliste 3-2017.

ⓘ Jarosite

Formula: KFe³⁺ ₃(SO₄)₂(OH)₆

Localities:

Sad Sack Claim, Johnson County, Wyoming, USA
Kell Roy No. 3 Occurrence, Johnson County, Wyoming, USA

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Locality: Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

ⓘ Khesinite ?

Formula: Ca₄(Mg₃Fe³⁺₉)O₄(Fe³⁺₉Si₃)O₃₆

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Description: Analytical evidence needed.

Reference: Gunnar Färber - Mineralienliste 1-2018.

ⓘ Larnite

Formula: Ca₂SiO₄

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Frank K. Mazdab collection; sample FKM-383; https://www.rockptx.com/fkm-376-to-fkm-400/#FKM-383

ⓘ Liebigite

Formula: Ca₂(UO₂)(CO₃)₃ · 11H₂O

Localities:

Axe Claims, Campbell County, Wyoming, USA
Unknown Uranium Occurrence (Axe Claims; MRDS - 10091566), Campbell County, Wyoming, USA
Southern Powder River Basin Mining District, Converse County, Wyoming, USA
Pat No. 8 Occurrence, Southern Powder River Basin Mining District, Converse County, Wyoming, USA
Kerr McGee Pat Claim, Southern Powder River Basin Mining District, Converse County, Wyoming, USA

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ 'Limonite'

Localities:

Earl Brown Property (AEC Anomaly No. 13), Campbell County, Wyoming, USA
Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA
Fly Pit, Southern Powder River Basin Mining District, Converse County, Wyoming, USA

ⓘ Magnesioferrite

Formula: MgFe³⁺₂O₄

Localities:

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA
Healy Coal seam, Buffalo, Johnson County, Wyoming, USA

Reference: Frank K. Mazdab collection; sample FKM-383; https://www.rockptx.com/fkm-376-to-fkm-400/#FKM-383

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

Locality: Trail Creek mine area, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ 'Melilite Group'

Formula: Ca₂M(XSiO₇)

Localities:

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA
Healy Coal seam, Buffalo, Johnson County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ Microcline

Formula: K(AlSi₃O₈)

Localities:

Schundler-Glenrock feldspar pegmatite, Converse County, Wyoming, USA
Mica pegmatite prospect, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

Localities:

Unknown Uranium Occurrence (MRDS - 10018972), Southern Powder River Basin Mining District, Converse County, Wyoming, USA
Pat No. 8 Occurrence, Southern Powder River Basin Mining District, Converse County, Wyoming, USA
Unnamed Uranium Prospect (MRDS - 10081045), Southern Powder River Basin Mining District, Converse County, Wyoming, USA

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Mullite

Formula: Al_4+2xSi_2-2xO_10-x

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Gunnar Färber

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities:

Schundler-Glenrock feldspar pegmatite, Converse County, Wyoming, USA
Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA
Mica pegmatite prospect, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

Locality: Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ Pyrite

Formula: FeS₂

Localities: Reported from at least 11 localities in this region.

ⓘ Pyrolusite

Formula: Mn⁴⁺O₂

Locality: Irvine Ranch Area Occurrence, Johnson County, Wyoming, USA

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Pyrrhotite

Formula: Fe_1-xS

Localities:

War Bonnet Mining District, Converse County, Wyoming, USA
Kreisley mine, Trail Creek mine area, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 9 localities in this region.

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Quartz var. Jasper

Locality: Kreisley mine, Trail Creek mine area, Converse County, Wyoming, USA

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Sahamalite-(Ce)

Formula: (Mg,Fe)(Ce,La,Nd)₂(CO₃)₄

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ Schoepite

Formula: (UO₂)₈O₂(OH)₁₂ · 12H₂O

Locality: Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

ⓘ Schröckingerite

Formula: NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O

Locality: Southern Powder River Basin Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Selenium

Formula: Se

Locality: Pat No. 1 Occurrence, Campbell County, Wyoming, USA

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

Locality: Koch asbestos deposit, Converse County, Wyoming, USA

Reference: U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Sillimanite

Formula: Al₂(SiO₄)O

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Gunnar Färber - Mineralienliste 3-2017.

ⓘ Spinel

Formula: MgAl₂O₄

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Frank K. Mazdab collection; sample FKM-383; https://www.rockptx.com/fkm-376-to-fkm-400/#FKM-383

Srebrodolskite, etc.

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

ⓘ Srebrodolskite

Formula: Ca₂Fe³⁺₂O₅

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Frank K. Mazdab collection; sample FKM-383; https://www.rockptx.com/fkm-376-to-fkm-400/#FKM-383

ⓘ Tridymite

Formula: SiO₂

Localities:

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA
Healy Coal seam, Buffalo, Johnson County, Wyoming, USA

Reference: Gunnar Färber - Mineralienliste 3-2017.

ⓘ Tyuyamunite

Formula: Ca(UO₂)₂(VO₄)₂ · 5-8H₂O

Localities: Reported from at least 21 localities in this region.

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Ulvöspinel

Formula: TiFe₂O₄

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ 'Unnamed (Ba aluminate)' (FRL)

Formula: BaAl₂O₄

Type Locality:

Reference: Frank K. Mazdab collection; thin section FKM-383; https://www.rockptx.com/fkm-376-to-fkm-400/#FKM-383

Uraninite

Southern Powder River Basin Mining District, Converse County, Wyoming, USA

ⓘ Uraninite

Formula: UO₂

Localities: Reported from at least 20 localities in this region.

ⓘ Uraninite var. Pitchblende

Formula: UO₂

Locality: Southern Powder River Basin Mining District, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385

ⓘ Uranophane

Formula: Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

Localities: Reported from at least 17 localities in this region.

Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Valleyite

Formula: Ca₄Fe₆O₁₃

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Lee, S., Xu, H., Xu, H., Jacobs, R., Morgan, D. (2019) Valleyite: A new magnetic mineral with the sodalite-type structure. American Mineralogist: 140(9): 1238-1245.

ⓘ Vermiculite

Formula: Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O

Locality: Koch asbestos deposit, Converse County, Wyoming, USA

Reference: Rocks & Minerals 76:385; U.S. Geological Survey (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.

ⓘ Vivianite

Formula: Fe²⁺₃(PO₄)₂ · 8H₂O

Locality: Bill Smith Mine, Highland Flats-Box Creek Mining District, Converse County, Wyoming, USA

ⓘ 'Wad'

Locality: Earl Brown Property (AEC Anomaly No. 13), Campbell County, Wyoming, USA

ⓘ Wollastonite

Formula: Ca₃(Si₃O₉)

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: American Mineralogist, Volume 73, pages 1440-1448, 1988

ⓘ Xuite (TL)

Formula: Ca₃Fe₂[(AlO₃(OH)]₃

Type Locality:

Reference: Lee, S. and Guo, X.: Xuite (2021), IMA 2018-135a, in: CNMNC Newsletter 59, Eur. J. Mineral., 33, https://doi.org/10.5194/ejm-33-139-2021 Lee, S. and Guo, X. (2022): Xuite, Ca3Fe2[(Al,Fe)O3(OH)]3, a new mineral of the garnet group: Implications for the wide occurrence of nanominerals. American Mineralogist, 107(5): 930–935. https://doi.org/10.2138/am-2022-8023

Ye'elimite, etc.

Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

ⓘ Ye'elimite

Formula: Ca₄Al₆(SO₄)O₁₂

Locality: Durham Ranch paralava occurrence, Reno Junction, Campbell County, Wyoming, USA

Reference: Frank K. Mazdab collection; sample FKM-383; https://www.rockptx.com/fkm-376-to-fkm-400/#FKM-383

Gallery:

K₂(UO₂)₂(VO₄)₂ · 3H₂Oⓘ Carnotite

Carnotite

Kerr McGee property, Campbell County, Wyoming, USA

Carnotite

Kerr McGee property, Campbell County, Wyoming, USA

Carnotite

Kerr McGee property, Campbell County, Wyoming, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Selenium	1.CC.10	Se
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Ferroselite	2.EB.10a	FeSe₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
Group 4 - Oxides and Hydroxides
ⓘ	Carnotite	4.HB.05	K₂(UO₂)₂(VO₄)₂ · 3H₂O
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Cristobalite	4.DA.15	SiO₂
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Magnesioferrite	4.BB.05	MgFe³⁺₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Jasper	4.DA.05	SiO₂
ⓘ	Schoepite	4.GA.05	(UO₂)₈O₂(OH)₁₂ · 12H₂O
ⓘ	Spinel	4.BB.05	MgAl₂O₄
ⓘ	Srebrodolskite	4.AC.10	Ca₂Fe³⁺₂O₅
ⓘ	Tridymite	4.DA.10	SiO₂
ⓘ	Tyuyamunite	4.HB.25	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
ⓘ	Ulvöspinel	4.BB.05	TiFe₂O₄
ⓘ	Uraninite	4.DL.05	UO₂
ⓘ	var. Pitchblende	4.DL.05	UO₂
ⓘ	Valleyite	4.BC.30	Ca₄Fe₆O₁₃
ⓘ	Xuite (TL)	4.CC.	Ca₃Fe₂[(AlO₃(OH)]₃
Group 5 - Nitrates and Carbonates
ⓘ	Azurite	5.BA.05	Cu₃(CO₃)₂(OH)₂
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Liebigite	5.ED.20	Ca₂(UO₂)(CO₃)₃ · 11H₂O
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
ⓘ	Sahamalite-(Ce)	5.AD.05	(Mg,Fe)(Ce,La,Nd)₂(CO₃)₄
ⓘ	Schröckingerite	5.EG.05	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Ammoniojarosite	7.BC.10	(NH₄)Fe³⁺₃(SO₄)₂(OH)₆
ⓘ	Anhydrite	7.AD.30	CaSO₄
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	var. Selenite	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Jarosite	7.BC.10	KFe³⁺ ₃(SO₄)₂(OH)₆
ⓘ	Ye'elimite	7.BC.15	Ca₄Al₆(SO₄)O₁₂
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Autunite	8.EB.05	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
ⓘ	Erythrite	8.CE.40	Co₃(AsO₄)₂ · 8H₂O
ⓘ	Vivianite	8.CE.40	Fe²⁺₃(PO₄)₂ · 8H₂O
Group 9 - Silicates
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Alumoåkermanite	9.BB.10	(CaNa)Al[Si₂O₇]
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	Beryl	9.CJ.05	Be₃Al₂(Si₆O₁₈)
ⓘ	var. Aquamarine	9.CJ.05	Be₃Al₂Si₆O₁₈
ⓘ	Boltwoodite	9.AK.15	(K,Na)(UO₂)(SiO₃OH) · 1.5H₂O
ⓘ	Chrysotile	9..	Mg₃(Si₂O₅)(OH)₄
ⓘ	Clinochlore	9.EC.55	Mg₅Al(AlSi₃O₁₀)(OH)₈
ⓘ	var. Chromium-bearing Clinochlore	9.EC.55	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
ⓘ	var. Sheridanite	9.EC.55	(Mg,Al,Fe)₆(Si,Al)₄O₁₀(OH)₈
ⓘ	Clinoferrosilite	9.DA.10	Fe²⁺₂Si₂O₆
ⓘ	Coffinite	9.AD.30	U(SiO₄) · nH₂O
ⓘ	Dorrite (TL)	9.DH.40	Ca₄(Mg₃Fe³⁺₉)O₄(Si₃Al₈Fe³⁺O₃₆)
ⓘ	Esseneite (TL)	9.DA.15	CaFe³⁺[AlSiO₆]
ⓘ	Ferroindialite	9.CJ.05	(Fe²⁺,Mg)₂Al₄Si₅O₁₈
ⓘ	Gehlenite	9.BB.10	Ca₂Al[AlSiO₇]
ⓘ	Indialite	9.CJ.05	Mg₂Al₃(AlSi₅O₁₈)
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Khesinite ?	9.DH.40	Ca₄(Mg₃Fe³⁺₉)O₄(Fe³⁺₉Si₃)O₃₆
ⓘ	Larnite	9.AD.05	Ca₂SiO₄
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Mullite	9.AF.20	Al_4+2xSi_2-2xO_10-x
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Sillimanite	9.AF.05	Al₂(SiO₄)O
ⓘ	Uranophane	9.AK.15	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
ⓘ	Vermiculite	9.EC.50	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
ⓘ	Wollastonite	9.DG.05	Ca₃(Si₃O₉)
Unclassified Minerals, Rocks, etc.
ⓘ	'Amber'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Asbestos'	-
ⓘ	'Chlorite Group'	-
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Ferro-actinolite-Tremolite Series'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Glass'	-
ⓘ	'Gummite'	-
ⓘ	'Hornblende'	-
ⓘ	'Limonite'	-
ⓘ	'Melilite Group'	-	Ca₂M(XSiO₇)
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄
ⓘ	'Unnamed (Ba aluminate)' (TL)	-	BaAl₂O₄
ⓘ	'Wad'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Xuite	Ca₃Fe₂[(AlO₃(OH)]₃
H	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
H	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
H	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
H	ⓘ Jarosite	KFe³⁺ ₃(SO₄)₂(OH)₆
H	ⓘ Coffinite	U(SiO₄) · nH₂O
H	ⓘ Liebigite	Ca₂(UO₂)(CO₃)₃ · 11H₂O
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
H	ⓘ Erythrite	Co₃(AsO₄)₂ · 8H₂O
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
H	ⓘ Schröckingerite	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Goethite	α-Fe³⁺O(OH)
H	ⓘ Schoepite	(UO₂)₈O₂(OH)₁₂ · 12H₂O
H	ⓘ Vivianite	Fe₃²⁺(PO₄)₂ · 8H₂O
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
H	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
H	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Clinochlore var. Sheridanite	(Mg,Al,Fe)₆(Si,Al)₄O₁₀(OH)₈
H	ⓘ Gypsum var. Selenite	CaSO₄ · 2H₂O
H	ⓘ Ammoniojarosite	(NH₄)Fe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Boltwoodite	(K,Na)(UO₂)(SiO₃OH) · 1.5H₂O
Be	Beryllium
Be	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Be	ⓘ Beryl var. Aquamarine	Be₃Al₂Si₆O₁₈
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Liebigite	Ca₂(UO₂)(CO₃)₃ · 11H₂O
C	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Schröckingerite	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
C	ⓘ Sahamalite-(Ce)	(Mg,Fe)(Ce,La,Nd)₂(CO₃)₄
N	Nitrogen
N	ⓘ Ammoniojarosite	(NH₄)Fe₃³⁺(SO₄)₂(OH)₆
O	Oxygen
O	ⓘ Xuite	Ca₃Fe₂[(AlO₃(OH)]₃
O	ⓘ Dorrite	Ca₄(Mg₃Fe₉³⁺)O₄(Si₃Al₈Fe³⁺O₃₆)
O	ⓘ Esseneite	CaFe³⁺[AlSiO₆]
O	ⓘ Unnamed (Ba aluminate)	BaAl₂O₄
O	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
O	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
O	ⓘ Calcite	CaCO₃
O	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Jarosite	KFe³⁺ ₃(SO₄)₂(OH)₆
O	ⓘ Uraninite	UO₂
O	ⓘ Coffinite	U(SiO₄) · nH₂O
O	ⓘ Liebigite	Ca₂(UO₂)(CO₃)₃ · 11H₂O
O	ⓘ Baryte	BaSO₄
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
O	ⓘ Erythrite	Co₃(AsO₄)₂ · 8H₂O
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
O	ⓘ Schröckingerite	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
O	ⓘ Uraninite var. Pitchblende	UO₂
O	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Goethite	α-Fe³⁺O(OH)
O	ⓘ Anhydrite	CaSO₄
O	ⓘ Schoepite	(UO₂)₈O₂(OH)₁₂ · 12H₂O
O	ⓘ Vivianite	Fe₃²⁺(PO₄)₂ · 8H₂O
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
O	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Melilite Group	Ca₂M(XSiO₇)
O	ⓘ Wollastonite	Ca₃(Si₃O₉)
O	ⓘ Ulvöspinel	TiFe₂O₄
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Gehlenite	Ca₂Al[AlSiO₇]
O	ⓘ Sahamalite-(Ce)	(Mg,Fe)(Ce,La,Nd)₂(CO₃)₄
O	ⓘ Indialite	Mg₂Al₃(AlSi₅O₁₈)
O	ⓘ Mullite	Al_4+2xSi_2-2xO_10-x
O	ⓘ Ferroindialite	(Fe²⁺,Mg)₂Al₄Si₅O₁₈
O	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
O	ⓘ Clinoferrosilite	Fe₂²⁺Si₂O₆
O	ⓘ Cristobalite	SiO₂
O	ⓘ Tridymite	SiO₂
O	ⓘ Sillimanite	Al₂(SiO₄)O
O	ⓘ Valleyite	Ca₄Fe₆O₁₃
O	ⓘ Srebrodolskite	Ca₂Fe₂³⁺O₅
O	ⓘ Larnite	Ca₂SiO₄
O	ⓘ Spinel	MgAl₂O₄
O	ⓘ Magnesioferrite	MgFe₂³⁺O₄
O	ⓘ Ye'elimite	Ca₄Al₆(SO₄)O₁₂
O	ⓘ Beryl var. Aquamarine	Be₃Al₂Si₆O₁₈
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Clinochlore var. Sheridanite	(Mg,Al,Fe)₆(Si,Al)₄O₁₀(OH)₈
O	ⓘ Gypsum var. Selenite	CaSO₄ · 2H₂O
O	ⓘ Ammoniojarosite	(NH₄)Fe₃³⁺(SO₄)₂(OH)₆
O	ⓘ Boltwoodite	(K,Na)(UO₂)(SiO₃OH) · 1.5H₂O
O	ⓘ Khesinite	Ca₄(Mg₃Fe₉³⁺)O₄(Fe₉³⁺Si₃)O₃₆
F	Fluorine
F	ⓘ Schröckingerite	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Schröckingerite	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Na	ⓘ Boltwoodite	(K,Na)(UO₂)(SiO₃OH) · 1.5H₂O
Mg	Magnesium
Mg	ⓘ Dorrite	Ca₄(Mg₃Fe₉³⁺)O₄(Si₃Al₈Fe³⁺O₃₆)
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Mg	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
Mg	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Mg	ⓘ Sahamalite-(Ce)	(Mg,Fe)(Ce,La,Nd)₂(CO₃)₄
Mg	ⓘ Indialite	Mg₂Al₃(AlSi₅O₁₈)
Mg	ⓘ Ferroindialite	(Fe²⁺,Mg)₂Al₄Si₅O₁₈
Mg	ⓘ Spinel	MgAl₂O₄
Mg	ⓘ Magnesioferrite	MgFe₂³⁺O₄
Mg	ⓘ Clinochlore var. Sheridanite	(Mg,Al,Fe)₆(Si,Al)₄O₁₀(OH)₈
Mg	ⓘ Khesinite	Ca₄(Mg₃Fe₉³⁺)O₄(Fe₉³⁺Si₃)O₃₆
Al	Aluminium
Al	ⓘ Xuite	Ca₃Fe₂[(AlO₃(OH)]₃
Al	ⓘ Dorrite	Ca₄(Mg₃Fe₉³⁺)O₄(Si₃Al₈Fe³⁺O₃₆)
Al	ⓘ Esseneite	CaFe³⁺[AlSiO₆]
Al	ⓘ Unnamed (Ba aluminate)	BaAl₂O₄
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Al	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
Al	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Gehlenite	Ca₂Al[AlSiO₇]
Al	ⓘ Indialite	Mg₂Al₃(AlSi₅O₁₈)
Al	ⓘ Mullite	Al_4+2xSi_2-2xO_10-x
Al	ⓘ Ferroindialite	(Fe²⁺,Mg)₂Al₄Si₅O₁₈
Al	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Al	ⓘ Sillimanite	Al₂(SiO₄)O
Al	ⓘ Spinel	MgAl₂O₄
Al	ⓘ Ye'elimite	Ca₄Al₆(SO₄)O₁₂
Al	ⓘ Beryl var. Aquamarine	Be₃Al₂Si₆O₁₈
Al	ⓘ Clinochlore var. Sheridanite	(Mg,Al,Fe)₆(Si,Al)₄O₁₀(OH)₈
Si	Silicon
Si	ⓘ Dorrite	Ca₄(Mg₃Fe₉³⁺)O₄(Si₃Al₈Fe³⁺O₃₆)
Si	ⓘ Esseneite	CaFe³⁺[AlSiO₆]
Si	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Coffinite	U(SiO₄) · nH₂O
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Beryl	Be₃Al₂(Si₆O₁₈)
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Chrysotile	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
Si	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
Si	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Melilite Group	Ca₂M(XSiO₇)
Si	ⓘ Wollastonite	Ca₃(Si₃O₉)
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Gehlenite	Ca₂Al[AlSiO₇]
Si	ⓘ Indialite	Mg₂Al₃(AlSi₅O₁₈)
Si	ⓘ Mullite	Al_4+2xSi_2-2xO_10-x
Si	ⓘ Ferroindialite	(Fe²⁺,Mg)₂Al₄Si₅O₁₈
Si	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Si	ⓘ Clinoferrosilite	Fe₂²⁺Si₂O₆
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Tridymite	SiO₂
Si	ⓘ Sillimanite	Al₂(SiO₄)O
Si	ⓘ Larnite	Ca₂SiO₄
Si	ⓘ Beryl var. Aquamarine	Be₃Al₂Si₆O₁₈
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Clinochlore var. Sheridanite	(Mg,Al,Fe)₆(Si,Al)₄O₁₀(OH)₈
Si	ⓘ Boltwoodite	(K,Na)(UO₂)(SiO₃OH) · 1.5H₂O
Si	ⓘ Khesinite	Ca₄(Mg₃Fe₉³⁺)O₄(Fe₉³⁺Si₃)O₃₆
P	Phosphorus
P	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
P	ⓘ Vivianite	Fe₃²⁺(PO₄)₂ · 8H₂O
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Jarosite	KFe³⁺ ₃(SO₄)₂(OH)₆
S	ⓘ Pyrite	FeS₂
S	ⓘ Baryte	BaSO₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Schröckingerite	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
S	ⓘ Anhydrite	CaSO₄
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Ye'elimite	Ca₄Al₆(SO₄)O₁₂
S	ⓘ Gypsum var. Selenite	CaSO₄ · 2H₂O
S	ⓘ Ammoniojarosite	(NH₄)Fe₃³⁺(SO₄)₂(OH)₆
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
K	ⓘ Jarosite	KFe³⁺ ₃(SO₄)₂(OH)₆
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Boltwoodite	(K,Na)(UO₂)(SiO₃OH) · 1.5H₂O
Ca	Calcium
Ca	ⓘ Xuite	Ca₃Fe₂[(AlO₃(OH)]₃
Ca	ⓘ Dorrite	Ca₄(Mg₃Fe₉³⁺)O₄(Si₃Al₈Fe³⁺O₃₆)
Ca	ⓘ Esseneite	CaFe³⁺[AlSiO₆]
Ca	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
Ca	ⓘ Liebigite	Ca₂(UO₂)(CO₃)₃ · 11H₂O
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
Ca	ⓘ Schröckingerite	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
Ca	ⓘ Anhydrite	CaSO₄
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Melilite Group	Ca₂M(XSiO₇)
Ca	ⓘ Wollastonite	Ca₃(Si₃O₉)
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Gehlenite	Ca₂Al[AlSiO₇]
Ca	ⓘ Alumoåkermanite	(CaNa)Al[Si₂O₇]
Ca	ⓘ Valleyite	Ca₄Fe₆O₁₃
Ca	ⓘ Srebrodolskite	Ca₂Fe₂³⁺O₅
Ca	ⓘ Larnite	Ca₂SiO₄
Ca	ⓘ Ye'elimite	Ca₄Al₆(SO₄)O₁₂
Ca	ⓘ Gypsum var. Selenite	CaSO₄ · 2H₂O
Ca	ⓘ Khesinite	Ca₄(Mg₃Fe₉³⁺)O₄(Fe₉³⁺Si₃)O₃₆
Ti	Titanium
Ti	ⓘ Ulvöspinel	TiFe₂O₄
V	Vanadium
V	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
V	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Cr	ⓘ Clinochlore var. Chromium-bearing Clinochlore	Mg₅(Al,Cr)₂Si₃O₁₀(OH)₈
Mn	Manganese
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Fe	Iron
Fe	ⓘ Xuite	Ca₃Fe₂[(AlO₃(OH)]₃
Fe	ⓘ Dorrite	Ca₄(Mg₃Fe₉³⁺)O₄(Si₃Al₈Fe³⁺O₃₆)
Fe	ⓘ Esseneite	CaFe³⁺[AlSiO₆]
Fe	ⓘ Jarosite	KFe³⁺ ₃(SO₄)₂(OH)₆
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Ferroselite	FeSe₂
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Fe	ⓘ Vivianite	Fe₃²⁺(PO₄)₂ · 8H₂O
Fe	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Ulvöspinel	TiFe₂O₄
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Sahamalite-(Ce)	(Mg,Fe)(Ce,La,Nd)₂(CO₃)₄
Fe	ⓘ Ferroindialite	(Fe²⁺,Mg)₂Al₄Si₅O₁₈
Fe	ⓘ Clinoferrosilite	Fe₂²⁺Si₂O₆
Fe	ⓘ Valleyite	Ca₄Fe₆O₁₃
Fe	ⓘ Srebrodolskite	Ca₂Fe₂³⁺O₅
Fe	ⓘ Magnesioferrite	MgFe₂³⁺O₄
Fe	ⓘ Clinochlore var. Sheridanite	(Mg,Al,Fe)₆(Si,Al)₄O₁₀(OH)₈
Fe	ⓘ Ammoniojarosite	(NH₄)Fe₃³⁺(SO₄)₂(OH)₆
Fe	ⓘ Khesinite	Ca₄(Mg₃Fe₉³⁺)O₄(Fe₉³⁺Si₃)O₃₆
Co	Cobalt
Co	ⓘ Erythrite	Co₃(AsO₄)₂ · 8H₂O
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
As	Arsenic
As	ⓘ Erythrite	Co₃(AsO₄)₂ · 8H₂O
Se	Selenium
Se	ⓘ Selenium	Se
Se	ⓘ Ferroselite	FeSe₂
Ba	Barium
Ba	ⓘ Unnamed (Ba aluminate)	BaAl₂O₄
Ba	ⓘ Baryte	BaSO₄
La	Lanthanum
La	ⓘ Sahamalite-(Ce)	(Mg,Fe)(Ce,La,Nd)₂(CO₃)₄
Ce	Cerium
Ce	ⓘ Sahamalite-(Ce)	(Mg,Fe)(Ce,La,Nd)₂(CO₃)₄
Nd	Neodymium
Nd	ⓘ Sahamalite-(Ce)	(Mg,Fe)(Ce,La,Nd)₂(CO₃)₄
U	Uranium
U	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
U	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
U	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
U	ⓘ Uraninite	UO₂
U	ⓘ Coffinite	U(SiO₄) · nH₂O
U	ⓘ Liebigite	Ca₂(UO₂)(CO₃)₃ · 11H₂O
U	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
U	ⓘ Schröckingerite	NaCa₃(UO₂)(CO₃)₃(SO₄)F · 10H₂O
U	ⓘ Uraninite var. Pitchblende	UO₂
U	ⓘ Schoepite	(UO₂)₈O₂(OH)₁₂ · 12H₂O
U	ⓘ Boltwoodite	(K,Na)(UO₂)(SiO₃OH) · 1.5H₂O

Fossils

There are 149 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

1799

Youngest Fossil Listed

20.4 Ma (Miocene)

Oldest Fossil Listed

461 Ma (Middle Ordovician)

Stratigraphic Units

Click here to view 20 stratigraphic units.

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Bryantodina genus	Animalia : Chordata : Conodonta : Conodontophorida : *Bryantodina*	460.9 - 443.7 Ma Paleozoic
Chirognathus genus	Animalia : Chordata : Conodonta : *Chirognathus*	460.9 - 443.7 Ma Paleozoic
Coleodus genus	Animalia : Chordata : Conodonta : Conodontophorida : *Coleodus*	460.9 - 443.7 Ma Paleozoic
Cordylodus genus	Animalia : Chordata : Conodonta : Conodontophorida : Proconodontidae : *Cordylodus*	460.9 - 443.7 Ma Paleozoic
Erismodus genus	Animalia : Chordata : Conodonta : *Erismodus*	460.9 - 443.7 Ma Paleozoic
Neocoleodus genus	Animalia : Chordata : Conodonta : Conodontophorida : *Neocoleodus*	460.9 - 443.7 Ma Paleozoic
Oistodus genus	Animalia : Chordata : Conodonta : Conodontophorida : *Oistodus*	460.9 - 443.7 Ma Paleozoic
Paltodus genus	Animalia : Chordata : Conodonta : Protopanderodontida : *Paltodus*	460.9 - 443.7 Ma Paleozoic
Ischyrhiza genus	Animalia : Chordata : Chondrichthyes : Sclerorhynchiformes : Sclerorhynchidae : *Ischyrhiza*	72.1 - 66 Ma Late/Upper Cretaceous
Myledaphus genus	Animalia : Chordata : Elasmobranchii : Rhinopristiformes : Rhinobatidae : *Myledaphus*	70.6 - 66 Ma Late/Upper Cretaceous
Osteichthyes unranked clade	Animalia : Chordata : Osteichthyes	70.6 - 66 Ma Late/Upper Cretaceous
Lepisosteus genus	Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae : *Lepisosteus*	72.1 - 66 Ma Late/Upper Cretaceous
Reptilia class	Animalia : Chordata : Reptilia	70.6 - 66 Ma Late/Upper Cretaceous
Squamata order	Animalia : Chordata : Reptilia : Squamata	113 - 100.5 Ma Early/Lower Cretaceous
Crocodylia unranked clade	Animalia : Chordata : Reptilia : Crocodylia	72.1 - 66 Ma Late/Upper Cretaceous
Aves class	Animalia : Chordata : Aves	70.6 - 66 Ma Late/Upper Cretaceous
Charadriiformes order	Animalia : Chordata : Aves : Charadriiformes	70.6 - 66 Ma Late/Upper Cretaceous
Mammalia class	Animalia : Chordata : Mammalia	72.1 - 66 Ma Late/Upper Cretaceous
Carnivora order	Animalia : Chordata : Mammalia : Carnivora	61.7 - 56.8 Ma Paleocene
Plethodontidae family	Animalia : Chordata : Osteichthyes : Caudata : Plethodontidae	70.6 - 66 Ma Late/Upper Cretaceous
Discoglossidae family	Animalia : Chordata : Amphibia : Anura : Discoglossidae	70.6 - 66 Ma Late/Upper Cretaceous
Pelobatidae family	Animalia : Chordata : Osteichthyes : Anura : Pelobatidae	70.6 - 66 Ma Late/Upper Cretaceous
Eopelobates genus	Animalia : Chordata : Osteichthyes : Anura : Pelobatidae : *Eopelobates*	70.6 - 66 Ma Late/Upper Cretaceous
Leptodactylidae family	Animalia : Chordata : Osteichthyes : Anura : Leptodactylidae	70.6 - 66 Ma Late/Upper Cretaceous
Hylidae family	Animalia : Chordata : Osteichthyes : Anura : Hylidae	70.6 - 66 Ma Late/Upper Cretaceous
Cryptodira suborder	Animalia : Chordata : Reptilia : Testudines : Cryptodira	70.6 - 66 Ma Late/Upper Cretaceous
Baenidae family	Animalia : Chordata : Reptilia : Testudines : Baenidae	70.6 - 66 Ma Late/Upper Cretaceous
Baena genus	Animalia : Chordata : Reptilia : Testudines : Baenidae : *Baena*	70.6 - 66 Ma Late/Upper Cretaceous
Plesiobaena genus	Animalia : Chordata : Reptilia : Testudines : Baenidae : *Plesiobaena*	70.6 - 66 Ma Late/Upper Cretaceous
Compsemys genus	Animalia : Chordata : Reptilia : Testudines : Compsemydidae : *Compsemys*	72.1 - 66 Ma Late/Upper Cretaceous
Adocus genus	Animalia : Chordata : Reptilia : Testudines : Adocidae : *Adocus*	72.1 - 66 Ma Late/Upper Cretaceous
Basilemys genus	Animalia : Chordata : Reptilia : Testudines : Nanhsiungchelyidae : *Basilemys*	72.1 - 66 Ma Late/Upper Cretaceous
Trionychidae family	Animalia : Chordata : Reptilia : Testudines : Trionychidae	72.1 - 66 Ma Late/Upper Cretaceous
Aspideretes genus	Animalia : Chordata : Reptilia : Testudines : Trionychidae : *Aspideretes*	72.1 - 66 Ma Late/Upper Cretaceous
Chelydridae family	Animalia : Chordata : Reptilia : Testudines : Chelydridae	72.1 - 66 Ma Late/Upper Cretaceous
Emarginachelys genus	Animalia : Chordata : Reptilia : Testudines : Chelydridae : *Emarginachelys*	70.6 - 66 Ma Late/Upper Cretaceous
Champsosauridae family	Animalia : Chordata : Reptilia : Champsosauridae	72.1 - 66 Ma Late/Upper Cretaceous
Champsosaurus genus	Animalia : Chordata : Reptilia : Champsosauridae : *Champsosaurus*	70.6 - 66 Ma Late/Upper Cretaceous
Iguanidae family	Animalia : Chordata : Reptilia : Squamata : Iguanidae	70.6 - 66 Ma Late/Upper Cretaceous
Paramacellodidae family	Animalia : Chordata : Reptilia : Squamata : Paramacellodidae	113 - 100.5 Ma Early/Lower Cretaceous
Teiidae family	Animalia : Chordata : Reptilia : Squamata : Teiidae	72.1 - 66 Ma Late/Upper Cretaceous
Anguidae family	Animalia : Chordata : Reptilia : Squamata : Anguidae	70.6 - 66 Ma Late/Upper Cretaceous
Gerrhonotus genus	Animalia : Chordata : Reptilia : Squamata : Anguidae : *Gerrhonotus*	70.6 - 66 Ma Late/Upper Cretaceous
Varanoidea superfamily	Animalia : Chordata : Reptilia : Squamata : Varanoidea	70.6 - 66 Ma Late/Upper Cretaceous
Varanidae family	Animalia : Chordata : Reptilia : Squamata : Varanidae	72.1 - 66 Ma Late/Upper Cretaceous
Boidae family	Animalia : Chordata : Reptilia : Squamata : Boidae	70.6 - 66 Ma Late/Upper Cretaceous
Calamagras genus	Animalia : Chordata : Reptilia : Squamata : Boidae : *Calamagras*	33.9 - 33.3 Ma Oligocene
Ogmophis genus	Animalia : Chordata : Reptilia : Squamata : Boidae : *Ogmophis*	33.9 - 33.3 Ma Oligocene
Archosauria unranked clade	Animalia : Chordata : Reptilia : Eosuchia : Archosauria	70.6 - 66 Ma Late/Upper Cretaceous
Crocodylidae family	Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae	70.6 - 66 Ma Late/Upper Cretaceous
Pterosauria order	Animalia : Chordata : Reptilia : Pterosauria	70.6 - 66 Ma Late/Upper Cretaceous
Saurischia unranked clade	Animalia : Chordata : Saurischia	72.1 - 66 Ma Late/Upper Cretaceous
Theropoda unranked clade	Animalia : Chordata : Saurischia : Theropoda	70.6 - 66 Ma Late/Upper Cretaceous
Ornithomimidae family	Animalia : Chordata : Saurischia : Avetheropoda : Ornithomimidae	70.6 - 66 Ma Late/Upper Cretaceous
Ornithomimus genus	Animalia : Chordata : Saurischia : Avetheropoda : Ornithomimidae : *Ornithomimus*	70.6 - 66 Ma Late/Upper Cretaceous
Dromaeosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae	70.6 - 66 Ma Late/Upper Cretaceous
Paronychodon genus	Animalia : Chordata : Saurischia : Avetheropoda : *Paronychodon*	72.1 - 66 Ma Late/Upper Cretaceous
Troodon genus	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae : *Troodon*	70.6 - 66 Ma Late/Upper Cretaceous
Saurornithoides genus	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae : *Saurornithoides*	70.6 - 66 Ma Late/Upper Cretaceous
Dryptosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : *Dryptosaurus*	72.1 - 66 Ma Late/Upper Cretaceous
Tyrannosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Tyrannosauridae : *Tyrannosaurus*	70.6 - 66 Ma Late/Upper Cretaceous
Diplodocus genus	Animalia : Chordata : Reptilia : Dinosauria : Diplodocidae : *Diplodocus*	157.3 - 145 Ma Jurassic
Thescelosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Thescelosauridae : *Thescelosaurus*	70.6 - 66 Ma Late/Upper Cretaceous
Hadrosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae	72.1 - 66 Ma Late/Upper Cretaceous
Edmontosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae : *Edmontosaurus*	72.1 - 66 Ma Late/Upper Cretaceous
Pachycephalosauridae family	Animalia : Chordata : Ornithischia : Pachycephalosauridae	72.1 - 66 Ma Late/Upper Cretaceous
Pachycephalosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Pachycephalosauridae : *Pachycephalosaurus*	72.1 - 66 Ma Late/Upper Cretaceous
Ceratopsia unranked clade	Animalia : Chordata : Ornithischia : Ceratopsia	70.6 - 66 Ma Late/Upper Cretaceous
Ceratopsidae family	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae	72.1 - 66 Ma Late/Upper Cretaceous
Triceratops genus	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae : *Triceratops*	72.1 - 66 Ma Late/Upper Cretaceous
Neornithes subclass	Animalia : Chordata : Aves : Neornithes	70.6 - 66 Ma Late/Upper Cretaceous
Presbyornithidae family	Animalia : Chordata : Aves : Anseriformes : Presbyornithidae	70.6 - 66 Ma Late/Upper Cretaceous
Ciconiiformes order	Animalia : Chordata : Aves : Ciconiiformes	70.6 - 66 Ma Late/Upper Cretaceous
Phalacrocoracidae family	Animalia : Chordata : Aves : Suliformes : Phalacrocoracidae	70.6 - 66 Ma Late/Upper Cretaceous
Gaviiformes order	Animalia : Chordata : Aves : Gaviiformes	70.6 - 66 Ma Late/Upper Cretaceous
Triconodontidae family	Animalia : Chordata : Mammalia : Triconodontidae	113 - 100.5 Ma Early/Lower Cretaceous
Multituberculata order	Animalia : Chordata : Mammalia : Multituberculata	72.1 - 66 Ma Late/Upper Cretaceous
Mesodma genus	Animalia : Chordata : Mammalia : Ptilodontidae : *Mesodma*	70.6 - 66 Ma Late/Upper Cretaceous
Neoplagiaulax genus	Animalia : Chordata : Mammalia : Ptilodontidae : *Neoplagiaulax*	61.7 - 56.8 Ma Paleocene
Ptilodus genus	Animalia : Chordata : Mammalia : Ptilodontidae : *Ptilodus*	61.7 - 56.8 Ma Paleocene
Anconodon genus	Animalia : Chordata : Mammalia : Cimolodontidae : *Anconodon*	61.7 - 56.8 Ma Paleocene
Meniscoessus genus	Animalia : Chordata : Mammalia : Taeniolabididae : *Meniscoessus*	70.6 - 66 Ma Late/Upper Cretaceous
Allacodon genus	Animalia : Chordata : Mammalia : Cimolomyidae : *Allacodon*	70.6 - 66 Ma Late/Upper Cretaceous
Cimolomys genus	Animalia : Chordata : Mammalia : Cimolomyidae : *Cimolomys*	70.6 - 66 Ma Late/Upper Cretaceous
Deltatheroides genus	Animalia : Chordata : Mammalia : Deltatheroididae : *Deltatheroides*	70.6 - 66 Ma Late/Upper Cretaceous
Mimoperadectes genus	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : *Mimoperadectes*	55.8 - 50.3 Ma Eocene
Peradectes genus	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : *Peradectes*	61.7 - 56.8 Ma Paleocene
Pediomys genus	Animalia : Chordata : Mammalia : Pediomyidae : *Pediomys*	70.6 - 66 Ma Late/Upper Cretaceous
Didelphodon genus	Animalia : Chordata : Mammalia : Didelphimorphia : Stagodontidae : *Didelphodon*	70.6 - 66 Ma Late/Upper Cretaceous
Acmeodon genus	Animalia : Chordata : Mammalia : Cimolestidae : *Acmeodon*	61.7 - 56.8 Ma Paleocene
Cimolestes genus	Animalia : Chordata : Mammalia : Cimolestidae : *Cimolestes*	70.6 - 66 Ma Late/Upper Cretaceous
Apatemyidae family	Animalia : Chordata : Mammalia : Apatemyidae	61.7 - 56.8 Ma Paleocene
Pantolestidae family	Animalia : Chordata : Mammalia : Pantolestidae	55.8 - 50.3 Ma Eocene
Bisonalveus genus	Animalia : Chordata : Mammalia : Pantolestidae : *Bisonalveus*	61.7 - 56.8 Ma Paleocene
Pagonomus genus	Animalia : Chordata : Mammalia : Pantolestidae : *Pagonomus*	61.7 - 56.8 Ma Paleocene
Palaeosinopa genus	Animalia : Chordata : Mammalia : Pantolestidae : *Palaeosinopa*	55.8 - 50.3 Ma Eocene
Propalaeosinopa genus	Animalia : Chordata : Mammalia : Pantolestidae : *Propalaeosinopa*	61.7 - 56.8 Ma Paleocene
Paromomyidae family	Animalia : Chordata : Mammalia : Primates : Paromomyidae	61.7 - 56.8 Ma Paleocene
Phenacolemur genus	Animalia : Chordata : Mammalia : Primates : Paromomyidae : *Phenacolemur*	55.8 - 50.3 Ma Eocene
Simpsonlemur genus	Animalia : Chordata : Mammalia : Primates : Paromomyidae : *Simpsonlemur*	55.8 - 50.3 Ma Eocene
Elpidophorus genus	Animalia : Chordata : Mammalia : Dermoptera : Plagiomenidae : *Elpidophorus*	61.7 - 56.8 Ma Paleocene
Insectivora order	Animalia : Chordata : Mammalia : Insectivora	55.8 - 50.3 Ma Eocene
Erinaceidae family	Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae	55.8 - 50.3 Ma Eocene
Nyctitheriidae family	Animalia : Chordata : Mammalia : Soricomorpha : Nyctitheriidae	55.8 - 50.3 Ma Eocene
Nyctitherium genus	Animalia : Chordata : Mammalia : Soricomorpha : Nyctitheriidae : *Nyctitherium*	61.7 - 56.8 Ma Paleocene
Pantodonta suborder	Animalia : Chordata : Mammalia : Cimolesta : Pantodonta	61.7 - 56.8 Ma Paleocene
Titanoides genus	Animalia : Chordata : Mammalia : Titanoideidae : *Titanoides*	61.7 - 56.8 Ma Paleocene
Coryphodon genus	Animalia : Chordata : Mammalia : Coryphodontidae : *Coryphodon*	55.8 - 50.3 Ma Eocene
Purgatorius genus	Animalia : Chordata : Mammalia : Primates : Purgatoriidae : *Purgatorius*	61.7 - 56.8 Ma Paleocene
Picrodus genus	Animalia : Chordata : Mammalia : Primates : Picrodontidae : *Picrodus*	61.7 - 56.8 Ma Paleocene
Navajovius genus	Animalia : Chordata : Mammalia : Primates : Microsyopidae : *Navajovius*	61.7 - 56.8 Ma Paleocene
Niptomomys genus	Animalia : Chordata : Mammalia : Primates : Microsyopidae : *Niptomomys*	55.8 - 50.3 Ma Eocene
Palaechthonidae family	Animalia : Chordata : Mammalia : Primates : Palaechthonidae	61.7 - 56.8 Ma Paleocene
Carpolestidae family	Animalia : Chordata : Mammalia : Primates : Carpolestidae	61.7 - 56.8 Ma Paleocene
Omomyidae family	Animalia : Chordata : Mammalia : Primates : Omomyidae	55.8 - 50.3 Ma Eocene
Tetonius genus	Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : *Tetonius*	55.8 - 50.3 Ma Eocene
Didymictis genus	Animalia : Chordata : Mammalia : Carnivora : Viverravidae : *Didymictis*	61.7 - 50.3 Ma Paleogene
Brachyrhynchocyon genus	Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : *Brachyrhynchocyon*	37.2 - 33.9 Ma Paleogene
Rodentia order	Animalia : Chordata : Mammalia : Rodentia	55.8 - 50.3 Ma Eocene
Ischyromyidae family	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae	37.2 - 33.9 Ma Paleogene
Ischyromys genus	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : *Ischyromys*	37.2 - 33.3 Ma Paleogene
Paramys genus	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : *Paramys*	55.8 - 50.3 Ma Eocene
Sciuravus genus	Animalia : Chordata : Mammalia : Rodentia : Sciuravidae : *Sciuravus*	55.8 - 50.3 Ma Eocene
Geomyidae family	Animalia : Chordata : Mammalia : Rodentia : Geomyidae	30.8 - 20.43 Ma Cenozoic
Ziamys genus	Animalia : Chordata : Mammalia : Rodentia : Geomyidae : *Ziamys*	30.8 - 20.43 Ma Cenozoic
Desmatolagus genus	Animalia : Chordata : Mammalia : Lagomorpha : Ochotonidae : *Desmatolagus*	30.8 - 20.43 Ma Cenozoic
Chriacus genus	Animalia : Chordata : Mammalia : Oxyclaenidae : *Chriacus*	61.7 - 56.8 Ma Paleocene
Thryptacodon genus	Animalia : Chordata : Mammalia : Arctocyonidae : *Thryptacodon*	61.7 - 56.8 Ma Paleocene
Apheliscus genus	Animalia : Chordata : Mammalia : Mioclaenidae : *Apheliscus*	55.8 - 50.3 Ma Eocene
Haplaletes genus	Animalia : Chordata : Mammalia : Hyopsodontidae : *Haplaletes*	61.7 - 56.8 Ma Paleocene
Haplomylus genus	Animalia : Chordata : Mammalia : Hyopsodontidae : *Haplomylus*	55.8 - 50.3 Ma Eocene
Hyopsodus genus	Animalia : Chordata : Mammalia : Hyopsodontidae : *Hyopsodus*	55.8 - 50.3 Ma Eocene
Phenacodus genus	Animalia : Chordata : Mammalia : Phenacodontidae : *Phenacodus*	55.8 - 50.3 Ma Eocene
Diacodexis genus	Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : *Diacodexis*	55.8 - 50.3 Ma Eocene
Archaeotherium genus	Animalia : Chordata : Mammalia : Artiodactyla : Entelodontidae : *Archaeotherium*	37.2 - 33.9 Ma Paleogene
Oreodontoides genus	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : *Oreodontoides*	30.8 - 20.43 Ma Cenozoic
Protoceratidae family	Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae	37.2 - 33.9 Ma Paleogene
Leptomerycidae family	Animalia : Chordata : Mammalia : Artiodactyla : Leptomerycidae	37.2 - 33.9 Ma Paleogene
Equidae family	Animalia : Chordata : Mammalia : Perissodactyla : Equidae	55.8 - 33.9 Ma Paleogene
Hyracotherium genus	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : *Hyracotherium*	55.8 - 50.3 Ma Eocene
Brontotheriidae family	Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae	37.2 - 33.9 Ma Paleogene
Heptodon genus	Animalia : Chordata : Mammalia : Perissodactyla : Helaletidae : *Heptodon*	55.8 - 50.3 Ma Eocene
Hyracodon genus	Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : *Hyracodon*	37.2 - 33.9 Ma Paleogene
Subhyracodon genus	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : *Subhyracodon*	37.2 - 33.9 Ma Paleogene
Subhyracodon mitis species	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Subhyracodon : *Subhyracodon mitis*	37.2 - 33.9 Ma Paleogene
Allacodon lentus species	Animalia : Chordata : Mammalia : Cimolomyidae : Allacodon : *Allacodon lentus*	70.6 - 66 Ma Late/Upper Cretaceous
Nortedelphys jasoni species	Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae : Nortedelphys : *Nortedelphys jasoni*	70.6 - 66 Ma Late/Upper Cretaceous
Protalphadon lulli species	Animalia : Chordata : Mammalia : Protalphadon : *Protalphadon lulli*	70.6 - 66 Ma Late/Upper Cretaceous
Alphadon marshi species	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Alphadon : *Alphadon marshi*	70.6 - 66 Ma Late/Upper Cretaceous
Turgidodon rhaister species	Animalia : Chordata : Mammalia : Didelphimorphia : Alphadontidae : Turgidodon : *Turgidodon rhaister*	70.6 - 66 Ma Late/Upper Cretaceous
Anacodon ursidens species	Animalia : Chordata : Mammalia : Arctocyonidae : Anacodon : *Anacodon ursidens*	61.7 - 56.8 Ma Paleocene
Mesohippus westoni species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Mesohippus : *Mesohippus westoni*	37.2 - 33.9 Ma Paleogene
Aphronorus orieli species	Animalia : Chordata : Mammalia : Pantolestidae : Aphronorus : *Aphronorus orieli*	61.7 - 56.8 Ma Paleocene
Arfia zele species	Animalia : Chordata : Mammalia : Hyaenodontidae : Arfia : *Arfia zele*	55.8 - 50.3 Ma Eocene
Batodon tenuis species	Animalia : Chordata : Mammalia : Geolabididae : Batodon : *Batodon tenuis*	70.6 - 66 Ma Late/Upper Cretaceous
Hesperocyon gregarius species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Hesperocyon : *Hesperocyon gregarius*	37.2 - 33.3 Ma Paleogene
Cantius torresi species	Animalia : Chordata : Mammalia : Primates : Notharctidae : Cantius : *Cantius torresi*	55.8 - 50.3 Ma Eocene
Centetodon chadronensis species	Animalia : Chordata : Mammalia : Geolabididae : Centetodon : *Centetodon chadronensis*	33.9 - 33.3 Ma Oligocene
Chriacus gallinae species	Animalia : Chordata : Mammalia : Oxyclaenidae : Chriacus : *Chriacus gallinae*	55.8 - 50.3 Ma Eocene
Cimexomys minor species	Animalia : Chordata : Mammalia : Taeniolabidae : Cimexomys : *Cimexomys minor*	70.6 - 66 Ma Late/Upper Cretaceous
Cimolestes incisus species	Animalia : Chordata : Mammalia : Cimolestidae : Cimolestes : *Cimolestes incisus*	70.6 - 66 Ma Late/Upper Cretaceous
Altacreodus magnus species	Animalia : Chordata : Mammalia : Creodonta : Altacreodus : *Altacreodus magnus*	70.6 - 66 Ma Late/Upper Cretaceous
Cimolestes stirtoni species	Animalia : Chordata : Mammalia : Cimolestidae : Cimolestes : *Cimolestes stirtoni*	70.6 - 66 Ma Late/Upper Cretaceous
Cimolodon nitidus species	Animalia : Chordata : Mammalia : Cimolodontidae : Cimolodon : *Cimolodon nitidus*	70.6 - 66 Ma Late/Upper Cretaceous
Cimolomys gracilis species	Animalia : Chordata : Mammalia : Cimolomyidae : Cimolomys : *Cimolomys gracilis*	70.6 - 66 Ma Late/Upper Cretaceous
Clemensodon megaloba species	Animalia : Chordata : Mammalia : Taeniolabidae : Clemensodon : *Clemensodon megaloba*	70.6 - 66 Ma Late/Upper Cretaceous
Copecion davisi species	Animalia : Chordata : Mammalia : Phenacodontidae : Copecion : *Copecion davisi*	55.8 - 50.3 Ma Eocene
Coryphodon eocaenus species	Animalia : Chordata : Mammalia : Coryphodontidae : Coryphodon : *Coryphodon eocaenus*	55.8 - 50.3 Ma Eocene
Didelphodus absarokae species	Animalia : Chordata : Mammalia : Hyaenodonta : Didelphodus : *Didelphodus absarokae*	55.8 - 50.3 Ma Eocene
Diacodexis primus species	Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : Diacodexis : *Diacodexis primus*	55.8 - 50.3 Ma Eocene
Prodiacodon tauricinerei species	Animalia : Chordata : Mammalia : Leptictidae : Prodiacodon : *Prodiacodon tauricinerei*	55.8 - 50.3 Ma Eocene
Protictis haydenianus species	Animalia : Chordata : Mammalia : Viverravidae : Protictis : *Protictis haydenianus*	61.7 - 56.8 Ma Paleocene
Bryanictis microlestes species	Animalia : Chordata : Mammalia : Viverravidae : Protictis : *Bryanictis microlestes*	61.7 - 56.8 Ma Paleocene
Meniscoessus robustus species	Animalia : Chordata : Mammalia : Multituberculata : Cimolomyidae : Meniscoessus : *Meniscoessus robustus*	70.6 - 66 Ma Late/Upper Cretaceous
Ectocion collinus species	Animalia : Chordata : Mammalia : Phenacodontidae : Ectocion : *Ectocion collinus*	61.7 - 56.8 Ma Paleocene
Macrocranion nitens species	Animalia : Chordata : Mammalia : Macroscelidea : Amphilemuridae : Macrocranion : *Macrocranion nitens*	55.8 - 50.3 Ma Eocene
Esthonyx spatularius species	Animalia : Chordata : Mammalia : Tillotheriidae : Esthonyx : *Esthonyx spatularius*	55.8 - 50.3 Ma Eocene
Neoliotomus ultimus species	Animalia : Chordata : Mammalia : Multituberculata : Neoliotomus : *Neoliotomus ultimus*	55.8 - 50.3 Ma Eocene
Eumys elegans species	Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Eumys : *Eumys elegans*	33.9 - 33.3 Ma Oligocene
Glasbius intricatus species	Animalia : Chordata : Mammalia : Paucituberculata : Glasbiidae : Glasbius : *Glasbius intricatus*	70.6 - 66 Ma Late/Upper Cretaceous
Gypsonictops hypoconus species	Animalia : Chordata : Mammalia : Pilosa : Gypsonictopidae : Gypsonictops : *Gypsonictops hypoconus*	70.6 - 66 Ma Late/Upper Cretaceous
Gypsonictops illuminatus species	Animalia : Chordata : Mammalia : Pilosa : Gypsonictopidae : Gypsonictops : *Gypsonictops illuminatus*	70.6 - 66 Ma Late/Upper Cretaceous
Mesodma formosa species	Animalia : Chordata : Mammalia : Multituberculata : Neoplagiaulacidae : Mesodma : *Mesodma formosa*	70.6 - 66 Ma Late/Upper Cretaceous
Dorraletes diminutivus species	Animalia : Chordata : Mammalia : Macroscelidea : Apheliscidae : Dorraletes : *Dorraletes diminutivus*	61.7 - 56.8 Ma Paleocene
Haplaletes disceptatrix species	Animalia : Chordata : Mammalia : Hyopsodontidae : Haplaletes : *Haplaletes disceptatrix*	61.7 - 56.8 Ma Paleocene
Haplomylus bozemanensis species	Animalia : Chordata : Mammalia : Hyopsodontidae : Haplomylus : *Haplomylus bozemanensis*	55.8 - 50.3 Ma Eocene
Hyaenodon crucians species	Animalia : Chordata : Mammalia : Hyaenodontidae : Hyaenodon : *Hyaenodon crucians*	37.2 - 33.3 Ma Paleogene
Hyaenodon horridus species	Animalia : Chordata : Mammalia : Hyaenodontidae : Hyaenodon : *Hyaenodon horridus*	37.2 - 33.3 Ma Paleogene
Haplomylus speirianus species	Animalia : Chordata : Mammalia : Macroscelidea : Apheliscidae : Haplomylus : *Haplomylus speirianus*	55.8 - 50.3 Ma Eocene
Hyracodon priscidens species	Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : Hyracodon : *Hyracodon priscidens*	37.2 - 33.9 Ma Paleogene
Sifrhippus grangeri species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Sifrhippus : *Sifrhippus grangeri*	55.8 - 50.3 Ma Eocene
Phenacodus vortmani species	Animalia : Chordata : Mammalia : Ungulata : Phenacodontidae : Phenacodus : *Phenacodus vortmani*	55.8 - 50.3 Ma Eocene
Leptictis dakotensis species	Animalia : Chordata : Mammalia : Leptictidae : Leptictis : *Leptictis dakotensis*	37.2 - 33.3 Ma Paleogene
Palaeosinopa didelphoides species	Animalia : Chordata : Mammalia : Cimolesta : Pantolestidae : Palaeosinopa : *Palaeosinopa didelphoides*	61.7 - 56.8 Ma Paleocene
Ignacius frugivorus species	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Ignacius : *Ignacius frugivorus*	61.7 - 56.8 Ma Paleocene
Ignacius graybullianus species	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Ignacius : *Ignacius graybullianus*	55.8 - 50.3 Ma Eocene
Ischyromys veterior species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Ischyromys : *Ischyromys veterior*	37.2 - 33.9 Ma Paleogene
Koniaryctes paulus species	Animalia : Chordata : Mammalia : Apternodontidae : Koniaryctes : *Koniaryctes paulus*	55.8 - 50.3 Ma Eocene
Leipsanolestes siegfriedti species	Animalia : Chordata : Mammalia : Erinaceomorpha : Creotarsidae : Leipsanolestes : *Leipsanolestes siegfriedti*	55.8 - 50.3 Ma Eocene
Leptacodon tener species	Animalia : Chordata : Mammalia : Erinaceomorpha : Adapisoricidae : Leptacodon : *Leptacodon tener*	61.7 - 56.8 Ma Paleocene
Hypertragulus calcaratus species	Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : Hypertragulus : *Hypertragulus calcaratus*	33.9 - 33.3 Ma Oligocene
Leptauchenia decora species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : *Leptauchenia decora*	33.9 - 33.3 Ma Oligocene
Leptauchenia major species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : *Leptauchenia major*	30.8 - 20.43 Ma Cenozoic
Leptomeryx evansi species	Animalia : Chordata : Mammalia : Artiodactyla : Leptomerycidae : Leptomeryx : *Leptomeryx evansi*	33.9 - 33.3 Ma Oligocene
Leptomeryx speciosus species	Animalia : Chordata : Mammalia : Artiodactyla : Leptomerycidae : Leptomeryx : *Leptomeryx speciosus*	37.2 - 33.3 Ma Paleogene
Litolagus molidens species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Litolagus : *Litolagus molidens*	33.9 - 33.3 Ma Oligocene
Litocherus notissimus species	Animalia : Chordata : Mammalia : Macroscelidea : Litocherus : *Litocherus notissimus*	61.7 - 56.8 Ma Paleocene
Litomylus dissentaneus species	Animalia : Chordata : Mammalia : Hyopsodontidae : Litomylus : *Litomylus dissentaneus*	61.7 - 56.8 Ma Paleocene
Merycoidodon (Merycoidodon) culbertsoni species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merycoidodon : *Merycoidodon (Merycoidodon) culbertsoni*	37.2 - 33.3 Ma Paleogene
Miniochoerus forsythae species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Miniochoerus : *Miniochoerus forsythae*	37.2 - 33.9 Ma Paleogene
Mesodma hensleighi species	Animalia : Chordata : Mammalia : Ptilodontidae : Mesodma : *Mesodma hensleighi*	70.6 - 66 Ma Late/Upper Cretaceous
Mesodma thompsoni species	Animalia : Chordata : Mammalia : Ptilodontidae : Mesodma : *Mesodma thompsoni*	70.6 - 66 Ma Late/Upper Cretaceous
Miacis exiguus species	Animalia : Chordata : Mammalia : Carnivora : Miacidae : Miacis : *Miacis exiguus*	55.8 - 50.3 Ma Eocene
Dryomomys willwoodensis species	Animalia : Chordata : Mammalia : Primates : Micromomyidae : Dryomomys : *Dryomomys willwoodensis*	55.8 - 50.3 Ma Eocene
Arctodontomys wilsoni species	Animalia : Chordata : Mammalia : Primates : Microsyopidae : Arctodontomys : *Arctodontomys wilsoni*	55.8 - 50.3 Ma Eocene
Anisonchus sectorius species	Animalia : Chordata : Mammalia : Ungulata : Periptychidae : Anisonchus : *Anisonchus sectorius*	61.7 - 56.8 Ma Paleocene
Palaeogale sectoria species	Animalia : Chordata : Mammalia : Carnivora : Palaeogale : *Palaeogale sectoria*	33.9 - 33.3 Ma Oligocene
Neoplagiaulax mckennai species	Animalia : Chordata : Mammalia : Ptilodontidae : Neoplagiaulax : *Neoplagiaulax mckennai*	61.7 - 56.8 Ma Paleocene
Nannodectes gidleyi species	Animalia : Chordata : Mammalia : Primates : Plesiadapidae : Nannodectes : *Nannodectes gidleyi*	61.7 - 56.8 Ma Paleocene
Ectocion osbornianus species	Animalia : Chordata : Mammalia : Ungulata : Phenacodontidae : Ectocion : *Ectocion osbornianus*	55.8 - 50.3 Ma Eocene
Miniochoerus gracilis species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Miniochoerus : *Miniochoerus gracilis*	33.9 - 33.3 Ma Oligocene
Dipsalidictis transiens species	Oxyaenidae : Dipsalidictis : *Dipsalidictis transiens*	55.8 - 50.3 Ma Eocene
Miotylopus gibbi species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Miotylopus : *Miotylopus gibbi*	30.8 - 20.43 Ma Cenozoic
Megalagus brachyodon species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Megalagus : *Megalagus brachyodon*	37.2 - 33.9 Ma Paleogene
Palaeolagus haydeni species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : *Palaeolagus haydeni*	37.2 - 33.3 Ma Paleogene
Palaeolagus intermedius species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Palaeolagus : *Palaeolagus intermedius*	37.2 - 33.3 Ma Paleogene
Megalagus turgidus species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Megalagus : *Megalagus turgidus*	37.2 - 33.3 Ma Paleogene
Palaeoryctes punctatus species	Animalia : Chordata : Mammalia : Palaeoryctidae : Palaeoryctes : *Palaeoryctes punctatus*	55.8 - 50.3 Ma Eocene
Palaeosinopa incerta species	Animalia : Chordata : Mammalia : Pantolestidae : Palaeosinopa : *Palaeosinopa incerta*	55.8 - 50.3 Ma Eocene
Palaeosinopa lutreola species	Animalia : Chordata : Mammalia : Pantolestidae : Palaeosinopa : *Palaeosinopa lutreola*	55.8 - 50.3 Ma Eocene
Pappotherium pattersoni species	Animalia : Chordata : Mammalia : Pappotheriidae : Pappotherium : *Pappotherium pattersoni*	113 - 100.5 Ma Early/Lower Cretaceous
Paramys copei species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Paramys : *Paramys copei*	55.8 - 50.3 Ma Eocene
Parectypodus lunatus species	Animalia : Chordata : Mammalia : Ptilodontidae : Parectypodus : *Parectypodus lunatus*	55.8 - 50.3 Ma Eocene
Ectypodus tardus species	Animalia : Chordata : Mammalia : Multituberculata : Neoplagiaulacidae : Ectypodus : *Ectypodus tardus*	55.8 - 50.3 Ma Eocene
Leptalestes cooki species	Animalia : Chordata : Mammalia : Pediomyidae : Leptalestes : *Leptalestes cooki*	70.6 - 66 Ma Late/Upper Cretaceous
Pediomys elegans species	Animalia : Chordata : Mammalia : Pediomyidae : Pediomys : *Pediomys elegans*	70.6 - 66 Ma Late/Upper Cretaceous
Aletridelphys florencae species	Animalia : Chordata : Mammalia : Pediomyidae : Aletridelphys : *Aletridelphys florencae*	70.6 - 66 Ma Late/Upper Cretaceous
Leptalestes krejcii species	Animalia : Chordata : Mammalia : Pediomyidae : Leptalestes : *Leptalestes krejcii*	70.6 - 66 Ma Late/Upper Cretaceous
Cantius frugivorus species	Animalia : Chordata : Mammalia : Primates : Notharctidae : Cantius : *Cantius frugivorus*	55.8 - 50.3 Ma Eocene
Cantius mckennai species	Animalia : Chordata : Mammalia : Primates : Notharctidae : Cantius : *Cantius mckennai*	55.8 - 50.3 Ma Eocene
Cantius ralstoni species	Animalia : Chordata : Mammalia : Primates : Notharctidae : Cantius : *Cantius ralstoni*	55.8 - 50.3 Ma Eocene
Peradectes protinnominatus species	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Peradectes : *Peradectes protinnominatus*	61.7 - 50.3 Ma Paleogene
Copecion brachypternus species	Animalia : Chordata : Mammalia : Ungulata : Phenacodontidae : Copecion : *Copecion brachypternus*	55.8 - 50.3 Ma Eocene
Phenacodus intermedius species	Animalia : Chordata : Mammalia : Phenacodontidae : Phenacodus : *Phenacodus intermedius*	55.8 - 50.3 Ma Eocene
Phenacodus trilobatus species	Animalia : Chordata : Mammalia : Phenacodontidae : Phenacodus : *Phenacodus trilobatus*	55.8 - 50.3 Ma Eocene
Dillerlemur pagei species	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Dillerlemur : *Dillerlemur pagei*	61.7 - 56.8 Ma Paleocene
Phenacolemur praecox species	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Phenacolemur : *Phenacolemur praecox*	55.8 - 50.3 Ma Eocene
Phenacolemur simonsi species	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Phenacolemur : *Phenacolemur simonsi*	55.8 - 50.3 Ma Eocene
Picrodus silberlingi species	Animalia : Chordata : Mammalia : Primates : Picrodontidae : Picrodus : *Picrodus silberlingi*	61.7 - 56.8 Ma Paleocene
Plesiadapis churchilli species	Animalia : Chordata : Mammalia : Primates : Plesiadapidae : Plesiadapis : *Plesiadapis churchilli*	61.7 - 56.8 Ma Paleocene
Poebrotherium eximium species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Poebrotherium : *Poebrotherium eximium*	37.2 - 33.3 Ma Paleogene
Paratylopus labiatus species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Paratylopus : *Paratylopus labiatus*	33.9 - 33.3 Ma Oligocene
Poebrotherium wilsoni species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Poebrotherium : *Poebrotherium wilsoni*	37.2 - 33.3 Ma Paleogene
Prolimnocyon atavus species	Animalia : Chordata : Mammalia : Hyaenodontidae : Prolimnocyon : *Prolimnocyon atavus*	55.8 - 50.3 Ma Eocene
Prolimnocyon haematus species	Animalia : Chordata : Mammalia : Hyaenodontidae : Prolimnocyon : *Prolimnocyon haematus*	55.8 - 50.3 Ma Eocene
Prototomus robustus species	Animalia : Chordata : Mammalia : Hyaenodonta : Hyaenodontidae : Prototomus : *Prototomus robustus*	55.8 - 50.3 Ma Eocene
Mesoreodon minor species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Mesoreodon : *Mesoreodon minor*	30.8 - 20.43 Ma Cenozoic
Nannodectes intermedius species	Animalia : Chordata : Mammalia : Primates : Plesiadapidae : Nannodectes : *Nannodectes intermedius*	61.7 - 56.8 Ma Paleocene
Nannodectes simpsoni species	Animalia : Chordata : Mammalia : Primates : Plesiadapidae : Nannodectes : *Nannodectes simpsoni*	61.7 - 56.8 Ma Paleocene
Propalaeosinopa albertensis species	Animalia : Chordata : Mammalia : Pantolestidae : Propalaeosinopa : *Propalaeosinopa albertensis*	61.7 - 56.8 Ma Paleocene
Proscalops secundus species	Animalia : Chordata : Mammalia : Proscalopidae : Proscalops : *Proscalops secundus*	30.8 - 20.43 Ma Cenozoic
Protentomodon ursirivalis species	Animalia : Chordata : Mammalia : Cimolestidae : Protentomodon : *Protentomodon ursirivalis*	61.7 - 56.8 Ma Paleocene
Aletridelphys hatcheri species	Animalia : Chordata : Mammalia : Pediomyidae : Aletridelphys : *Aletridelphys hatcheri*	70.6 - 66 Ma Late/Upper Cretaceous
Prototomus martis species	Animalia : Chordata : Mammalia : Hyaenodontidae : Prototomus : *Prototomus martis*	55.8 - 50.3 Ma Eocene
Pulverflumen magnificum species	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Pulverflumen : *Pulverflumen magnificum*	55.8 - 50.3 Ma Eocene
Willeumys viduus species	Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Willeumys : *Willeumys viduus*	33.9 - 33.3 Ma Oligocene
Galecyon mordax species	Animalia : Chordata : Mammalia : Hyaenodonta : Hyaenodontidae : Galecyon : *Galecyon mordax*	55.8 - 50.3 Ma Eocene
Homogalax protapirinus species	Animalia : Chordata : Mammalia : Perissodactyla : Homogalax : *Homogalax protapirinus*	55.8 - 50.3 Ma Eocene
Talpavoides dartoni species	Animalia : Chordata : Mammalia : Talpavoides : *Talpavoides dartoni*	55.8 - 50.3 Ma Eocene
Apatemys chardini species	Animalia : Chordata : Mammalia : Insectivora : Apatemyidae : Apatemys : *Apatemys chardini*	55.8 - 50.3 Ma Eocene
Telacodon laevis species	Animalia : Chordata : Mammalia : Aegialodontidae : Telacodon : *Telacodon laevis*	70.6 - 66 Ma Late/Upper Cretaceous
Tinimomys graybulliensis species	Animalia : Chordata : Mammalia : Primates : Micromomyidae : Tinimomys : *Tinimomys graybulliensis*	55.8 - 50.3 Ma Eocene
Trigonias osborni species	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Trigonias : *Trigonias osborni*	37.2 - 33.9 Ma Paleogene
Viverravus acutus species	Animalia : Chordata : Mammalia : Carnivora : Viverravidae : Viverravus : *Viverravus acutus*	55.8 - 50.3 Ma Eocene
Yoderimys bumpi species	Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Yoderimys : *Yoderimys bumpi*	37.2 - 33.9 Ma Paleogene
Dinosauria order	Animalia : Chordata : Reptilia : Dinosauria	72.1 - 66 Ma Late/Upper Cretaceous
Ankylosaurus magniventris species	Animalia : Chordata : Reptilia : Dinosauria : Ankylosauridae : Ankylosaurus : *Ankylosaurus magniventris*	70.6 - 66 Ma Late/Upper Cretaceous
Dryosaurus altus species	Animalia : Chordata : Ornithischia : Dryosauridae : Dryosaurus : *Dryosaurus altus*	157.3 - 145 Ma Jurassic
Thescelosaurus neglectus species	Animalia : Chordata : Reptilia : Dinosauria : Thescelosauridae : Thescelosaurus : *Thescelosaurus neglectus*	70.6 - 66 Ma Late/Upper Cretaceous
Zapsalis genus	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : *Zapsalis*	70.6 - 66 Ma Late/Upper Cretaceous
Emydinae subfamily	Animalia : Chordata : Reptilia : Testudines : Emydidae : Emydinae	70.6 - 66 Ma Late/Upper Cretaceous
Brachychampsa montana species	Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Brachychampsa : *Brachychampsa montana*	72.1 - 66 Ma Late/Upper Cretaceous
Beringiaphyllum cupanioides species	Beringiaphyllum : *Beringiaphyllum cupanioides*	66 - 56 Ma Paleocene
Viburnum genus	Plantae : Tracheophyta : Magnoliopsida : Dipsacales : Adoxaceae : *Viburnum*	100.5 - 56 Ma Phanerozoic
Platanus raynoldsi species	Plantae : Spermatophyta : Magnoliopsida : Proteales : Platanaceae : Platanus : *Platanus raynoldsi*	66 - 56 Ma Paleocene
Celtis aspera species	Plantae : Tracheophyta : Magnoliopsida : Rosales : Cannabaceae : Celtis : *Celtis aspera*	66 - 56 Ma Paleocene
Celtis genus	Plantae : Tracheophyta : Magnoliopsida : Rosales : Cannabaceae : *Celtis*	66 - 56 Ma Paleocene
Nordenskioldia borealis species	Nordenskioldia : *Nordenskioldia borealis*	66 - 56 Ma Paleocene
Ficus genus	Plantae : Tracheophyta : Magnoliopsida : Rosales : Moraceae : *Ficus*	100.5 - 56 Ma Phanerozoic
Coelurosauria suborder	Animalia : Chordata : Saurischia : Avetheropoda : Coelurosauria	70.6 - 66 Ma Late/Upper Cretaceous
Platacodon genus	Animalia : Chordata : Actinopteri : Sciaenidae : *Platacodon*	70.6 - 66 Ma Late/Upper Cretaceous
Platacodon nanus species	Animalia : Chordata : Actinopteri : Sciaenidae : Platacodon : *Platacodon nanus*	70.6 - 66 Ma Late/Upper Cretaceous
Camptomus amplus species	Animalia : Chordata : Mammalia : Didelphimorphia : Sparassocynidae : Camptomus : *Camptomus amplus*	70.6 - 66 Ma Late/Upper Cretaceous
Coniophis precedens species	Animalia : Chordata : Reptilia : Squamata : Aniliidae : Coniophis : *Coniophis precedens*	70.6 - 66 Ma Late/Upper Cretaceous
Chamops segnis species	Animalia : Chordata : Reptilia : Squamata : Teiidae : Chamops : *Chamops segnis*	70.6 - 66 Ma Late/Upper Cretaceous
Edmontosaurus annectens species	Animalia : Chordata : Ornithischia : Hadrosauridae : Edmontosaurus : *Edmontosaurus annectens*	72.1 - 66 Ma Late/Upper Cretaceous
Cimolopteryx genus	Animalia : Chordata : Aves : Charadriiformes : Cimolopterygidae : *Cimolopteryx*	70.6 - 66 Ma Late/Upper Cretaceous
Cimolopteryx rara species	Animalia : Chordata : Aves : Charadriiformes : Cimolopterygidae : Cimolopteryx : *Cimolopteryx rara*	70.6 - 66 Ma Late/Upper Cretaceous
Plantae kingdom	Plantae	72.1 - 66 Ma Late/Upper Cretaceous
Troodontidae family	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae	70.6 - 66 Ma Late/Upper Cretaceous
Dromaeosaurinae subfamily	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Dromaeosaurinae	70.6 - 66 Ma Late/Upper Cretaceous
Lygodium genus	Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Lygodiaceae : *Lygodium*	66 - 56 Ma Paleocene
Sabalites genus	Plantae : Tracheophyta : Liliopsida : Arecales : Arecaceae : *Sabalites*	100.5 - 66 Ma Late/Upper Cretaceous
Salix genus	Plantae : Tracheophyta : Magnoliopsida : Malpighiales : Salicaceae : *Salix*	100.5 - 56 Ma Phanerozoic
Carya genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : *Carya*	66 - 56 Ma Paleocene
Alnus genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Betulaceae : *Alnus*	66 - 56 Ma Paleocene
Quercus genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae : *Quercus*	100.5 - 56 Ma Phanerozoic
Ulmaceae family	Plantae : Tracheophyta : Magnoliopsida : Rosales : Ulmaceae	66 - 56 Ma Paleocene
Cercidiphyllum genus	Plantae : Tracheophyta : Magnoliopsida : Saxifragales : Cercidiphyllaceae : *Cercidiphyllum*	100.5 - 56 Ma Phanerozoic
Laurophyllum genus	Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : *Laurophyllum*	100.5 - 66 Ma Late/Upper Cretaceous
Platanophyllum genus	Plantae : Tracheophyta : Magnoliopsida : Proteales : Platanaceae : *Platanophyllum*	100.5 - 66 Ma Late/Upper Cretaceous
Celastrus genus	Plantae : Tracheophyta : Magnoliopsida : Celastrales : Celastraceae : *Celastrus*	100.5 - 66 Ma Late/Upper Cretaceous
Acer genus	Plantae : Tracheophyta : Magnoliopsida : Sapindales : Sapindaceae : *Acer*	66 - 56 Ma Paleocene
Rhamnus genus	Plantae : Tracheophyta : Magnoliopsida : Rosales : Rhamnaceae : *Rhamnus*	100.5 - 56 Ma Phanerozoic
Cissus genus	Plantae : Tracheophyta : Magnoliopsida : Vitales : Vitaceae : *Cissus*	100.5 - 66 Ma Late/Upper Cretaceous
Fraxinus genus	Plantae : Tracheophyta : Magnoliopsida : Lamiales : Oleaceae : *Fraxinus*	100.5 - 56 Ma Phanerozoic
Carpites genus	Plantae : *Carpites*	100.5 - 66 Ma Late/Upper Cretaceous
Phyllites genus	Plantae : Tracheophyta : Magnoliopsida : *Phyllites*	100.5 - 56 Ma Phanerozoic
Quercophyllum genus	Plantae : *Quercophyllum*	100.5 - 66 Ma Late/Upper Cretaceous
Troodon formosus species	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae : Troodon : *Troodon formosus*	70.6 - 66 Ma Late/Upper Cretaceous
Pectinodon bakkeri species	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae : Pectinodon : *Pectinodon bakkeri*	70.6 - 66 Ma Late/Upper Cretaceous
Tyrannosaurus rex species	Animalia : Chordata : Reptilia : Dinosauria : Tyrannosauridae : Tyrannosaurus : *Tyrannosaurus rex*	72.1 - 66 Ma Late/Upper Cretaceous
Equisetum genus	Plantae : Tracheophyta : Polypodiopsida : Equisetales : Equisetaceae : *Equisetum*	100.5 - 56 Ma Phanerozoic
Sequoia genus	Plantae : Tracheophyta : Pinopsida : Pinales : Cupressaceae : *Sequoia*	100.5 - 66 Ma Late/Upper Cretaceous
Woodwardia genus	Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Blechnaceae : *Woodwardia*	100.5 - 66 Ma Late/Upper Cretaceous
Glyptostrobus genus	Plantae : Tracheophyta : Pinopsida : Pinales : Cupressaceae : *Glyptostrobus*	66 - 56 Ma Paleocene
Metasequoia occidentalis species	Plantae : Tracheophyta : Pinopsida : Pinales : Cupressaceae : Metasequoia : *Metasequoia occidentalis*	66 - 56 Ma Paleocene
Cyperacites genus	Plantae : Tracheophyta : Liliopsida : Poales : Cyperaceae : *Cyperacites*	100.5 - 66 Ma Late/Upper Cretaceous
Carpites verrucosus species	Carpites : *Carpites verrucosus*	100.5 - 56 Ma Phanerozoic
Carya antiquorum species	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : Carya : *Carya antiquorum*	66 - 56 Ma Paleocene
Pterocarya hispida species	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : Pterocarya : *Pterocarya hispida*	66 - 56 Ma Paleocene
Pterocarya genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : *Pterocarya*	66 - 56 Ma Paleocene
Betula genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Betulaceae : *Betula*	66 - 56 Ma Paleocene
Chaetoptelea microphylla species	Plantae : Spermatophyta : Magnoliopsida : Urticales : Ulmaceae : Chaetoptelea : *Chaetoptelea microphylla*	66 - 56 Ma Paleocene
Paranymphaea crassifolia species	Plantae : Tracheophyta : Magnoliopsida : Nymphaeales : Nymphaeaceae : Paranymphaea : *Paranymphaea crassifolia*	66 - 56 Ma Paleocene
Menispermites genus	Plantae : Tracheophyta : Magnoliopsida : Ranunculales : Menispermaceae : *Menispermites*	100.5 - 66 Ma Late/Upper Cretaceous
Platanus nobilis species	Plantae : Tracheophyta : Magnoliopsida : Proteales : Platanaceae : Platanus : *Platanus nobilis*	66 - 56 Ma Paleocene
Averrhoites affinis species	Plantae : Spermatophyta : Magnoliopsida : Sapindales : Oxalidaceae : Averrhoites : *Averrhoites affinis*	66 - 56 Ma Paleocene
Penosphyllum cordatum species	Plantae : Spermatophyta : Magnoliopsida : Malvales : Sterculiaceae : Penosphyllum : *Penosphyllum cordatum*	66 - 56 Ma Paleocene
Ampelopsis acerifolia species	Plantae : Tracheophyta : Magnoliopsida : Vitales : Vitaceae : Ampelopsis : *Ampelopsis acerifolia*	66 - 56 Ma Paleocene
Trapa angulata species	Plantae : Tracheophyta : Magnoliopsida : Myrtales : Lythraceae : Trapa : *Trapa angulata*	66 - 56 Ma Paleocene
Trapa genus	Plantae : Tracheophyta : Magnoliopsida : Myrtales : Lythraceae : *Trapa*	66 - 56 Ma Paleocene
Anemia genus	Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Anemiaceae : *Anemia*	66 - 56 Ma Paleocene
Dombeyopsis genus	Plantae : Tracheophyta : Magnoliopsida : Malvales : Malvaceae : *Dombeyopsis*	100.5 - 66 Ma Late/Upper Cretaceous
Trapa microphylla species	Plantae : Tracheophyta : Magnoliopsida : Myrtales : Lythraceae : Trapa : *Trapa microphylla*	100.5 - 66 Ma Late/Upper Cretaceous
Dennstaedtia americana species	Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Dennstaedtiaceae : Dennstaedtia : *Dennstaedtia americana*	66 - 56 Ma Paleocene
Azolla genus	Plantae : Tracheophyta : Polypodiopsida : Salviniales : Salviniaceae : *Azolla*	66 - 56 Ma Paleocene
Pistia corrugata species	Plantae : Tracheophyta : Liliopsida : Alismatales : Araceae : Pistia : *Pistia corrugata*	100.5 - 66 Ma Late/Upper Cretaceous
Nelumbago montanum species	Plantae : Spermatophyta : Magnoliopsida : Proteales : Nelumbonaceae : Nelumbago : *Nelumbago montanum*	66 - 56 Ma Paleocene
Juglans genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : *Juglans*	66 - 56 Ma Paleocene
Dryophyllum genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : *Dryophyllum*	100.5 - 66 Ma Late/Upper Cretaceous
Ulmus genus	Plantae : Tracheophyta : Magnoliopsida : Rosales : Ulmaceae : *Ulmus*	66 - 56 Ma Paleocene
Credneria genus	Plantae : Tracheophyta : Magnoliopsida : Malpighiales : Salicaceae : *Credneria*	66 - 56 Ma Paleocene
Grewiopsis genus	Plantae : Tracheophyta : Magnoliopsida : Malvales : Malvaceae : *Grewiopsis*	100.5 - 66 Ma Late/Upper Cretaceous
Ginkgo adiantoides species	Plantae : Tracheophyta : Ginkgoopsida : Ginkgoales : Ginkgoaceae : Ginkgo : *Ginkgo adiantoides*	100.5 - 56 Ma Phanerozoic
Zelkova genus	Plantae : Tracheophyta : Magnoliopsida : Rosales : Ulmaceae : *Zelkova*	66 - 56 Ma Paleocene
Araucarites genus	Plantae : Tracheophyta : Pinopsida : Pinales : Araucariaceae : *Araucarites*	100.5 - 66 Ma Late/Upper Cretaceous
Macrobaenidae family	Animalia : Chordata : Reptilia : Testudines : Macrobaenidae	70.6 - 66 Ma Late/Upper Cretaceous
Sauria suborder	Animalia : Chordata : Reptilia : Eosuchia : Sauria	70.6 - 66 Ma Late/Upper Cretaceous
Miacinae subfamily	Animalia : Chordata : Mammalia : Carnivora : Miacidae : Miacinae	55.8 - 50.3 Ma Eocene
Trionychinae unranked clade	Animalia : Chordata : Reptilia : Testudines : Trionychidae : Trionychinae	70.6 - 66 Ma Late/Upper Cretaceous
Glyptosaurinae subfamily	Animalia : Chordata : Reptilia : Squamata : Anguidae : Glyptosaurinae	55.8 - 50.3 Ma Eocene
Tyrannosauroidea superfamily	Animalia : Chordata : Saurischia : Avetheropoda : Tyrannosauroidea	70.6 - 66 Ma Late/Upper Cretaceous
Cyclurus fragosus species	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : Cyclurus : *Cyclurus fragosus*	72.1 - 66 Ma Late/Upper Cretaceous
Melvius thomasi species	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : Melvius : *Melvius thomasi*	70.6 - 66 Ma Late/Upper Cretaceous
Richardoestesia genus	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : *Richardoestesia*	70.6 - 66 Ma Late/Upper Cretaceous
Richardoestesia isosceles species	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : Richardoestesia : *Richardoestesia isosceles*	72.1 - 66 Ma Late/Upper Cretaceous
Corbiculidae family	Animalia : Mollusca : Bivalvia : Veneroidei : Corbiculidae	70.6 - 66 Ma Late/Upper Cretaceous
Unionidae family	Animalia : Mollusca : Bivalvia : Unionida : Unionidae	70.6 - 66 Ma Late/Upper Cretaceous
Myledaphus bipartitus species	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Dasyatidae : Myledaphus : *Myledaphus bipartitus*	72.1 - 66 Ma Late/Upper Cretaceous
Lepisosteidae family	Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae	72.1 - 66 Ma Late/Upper Cretaceous
Elopidae family	Animalia : Chordata : Actinopterygii : Elopiformes : Elopidae	70.6 - 66 Ma Late/Upper Cretaceous
Albulidae family	Animalia : Chordata : Actinopterygii : Albuliformes : Albulidae	70.6 - 66 Ma Late/Upper Cretaceous
Coriops amnicolus species	Animalia : Chordata : Actinopterygii : Albuliformes : Albulidae : Coriops : *Coriops amnicolus*	70.6 - 66 Ma Late/Upper Cretaceous
Scapherpeton tectum species	Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : Scapherpeton : *Scapherpeton tectum*	72.1 - 66 Ma Late/Upper Cretaceous
Opisthotriton kayi species	Animalia : Chordata : Osteichthyes : Proteida : Batrachosauroididae : Opisthotriton : *Opisthotriton kayi*	70.6 - 66 Ma Late/Upper Cretaceous
Albanerpetontidae family	Animalia : Chordata : Amphibia : Gymnophiona : Albanerpetontidae	113 - 66 Ma Cretaceous
Odaxosaurus piger species	Animalia : Chordata : Reptilia : Squamata : Anguidae : Odaxosaurus : *Odaxosaurus piger*	72.1 - 66 Ma Late/Upper Cretaceous
Colpodontosaurus cracens species	Animalia : Chordata : Reptilia : Squamata : Necrosauridae : Colpodontosaurus : *Colpodontosaurus cracens*	70.6 - 66 Ma Late/Upper Cretaceous
Paraderma bogerti species	Animalia : Chordata : Reptilia : Squamata : Helodermatidae : Paraderma : *Paraderma bogerti*	70.6 - 66 Ma Late/Upper Cretaceous
Palaeosaniwa canadensis species	Animalia : Chordata : Reptilia : Squamata : Varanidae : Palaeosaniwa : *Palaeosaniwa canadensis*	70.6 - 66 Ma Late/Upper Cretaceous
Alethinophidia infraorder	Animalia : Chordata : Reptilia : Squamata : Alethinophidia	70.6 - 66 Ma Late/Upper Cretaceous
Scotiophryne pustulosa species	Animalia : Chordata : Osteichthyes : Anura : Scotiophryne : *Scotiophryne pustulosa*	70.6 - 66 Ma Late/Upper Cretaceous
Dasyatidae family	Animalia : Chordata : Elasmobranchii : Myliobatiformes : Dasyatidae	72.1 - 66 Ma Late/Upper Cretaceous
Compsemys victa species	Animalia : Chordata : Reptilia : Testudines : Compsemydidae : Compsemys : *Compsemys victa*	70.6 - 66 Ma Late/Upper Cretaceous
Parasaniwa wyomingensis species	Animalia : Chordata : Reptilia : Squamata : Varanidae : Parasaniwa : *Parasaniwa wyomingensis*	72.1 - 66 Ma Late/Upper Cretaceous
Exostinus lancensis species	Animalia : Chordata : Reptilia : Squamata : Xenosauridae : Exostinus : *Exostinus lancensis*	72.1 - 66 Ma Late/Upper Cretaceous
Haptosphenus placodon species	Animalia : Chordata : Reptilia : Squamata : Teiidae : Haptosphenus : *Haptosphenus placodon*	70.6 - 66 Ma Late/Upper Cretaceous
Triceratops horridus species	Animalia : Chordata : Ornithischia : Ceratopsidae : Triceratops : *Triceratops horridus*	72.1 - 66 Ma Late/Upper Cretaceous
Triceratops prorsus species	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae : Triceratops : *Triceratops prorsus*	72.1 - 66 Ma Late/Upper Cretaceous
Torosaurus latus species	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae : Torosaurus : *Torosaurus latus*	72.1 - 66 Ma Late/Upper Cretaceous
Protamia genus	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : *Protamia*	70.6 - 66 Ma Late/Upper Cretaceous
Pachycephalosaurus wyomingensis species	Animalia : Chordata : Ornithischia : Pachycephalosauridae : Pachycephalosaurus : *Pachycephalosaurus wyomingensis*	72.1 - 66 Ma Late/Upper Cretaceous
Plesiobaena antiqua species	Animalia : Chordata : Reptilia : Testudines : Baenidae : Plesiobaena : *Plesiobaena antiqua*	70.6 - 66 Ma Late/Upper Cretaceous
Neoplagiaulacidae family	Animalia : Chordata : Mammalia : Neoplagiaulacidae	61.7 - 56.8 Ma Paleocene
Helopanoplia genus	Animalia : Chordata : Reptilia : Testudines : Trionychidae : *Helopanoplia*	72.1 - 66 Ma Late/Upper Cretaceous
Squatirhina americana species	Animalia : Chordata : Chondrichthyes : Orectolobiformes : Orectolobidae : Squatirhina : *Squatirhina americana*	70.6 - 66 Ma Late/Upper Cretaceous
Lonchidion selachos species	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Lonchidiidae : Lonchidion : *Lonchidion selachos*	70.6 - 66 Ma Late/Upper Cretaceous
Ischyrhiza avonicola species	Animalia : Chordata : Chondrichthyes : Sclerorhynchiformes : Sclerorhynchidae : Ischyrhiza : *Ischyrhiza avonicola*	70.6 - 66 Ma Late/Upper Cretaceous
Acipenser eruciferus species	Animalia : Chordata : Actinopteri : Acipenseriformes : Acipenseridae : Acipenser : *Acipenser eruciferus*	70.6 - 66 Ma Late/Upper Cretaceous
Paleopsephurus wilsoni species	Animalia : Chordata : Actinopteri : Acipenseriformes : Polyodontidae : Paleopsephurus : *Paleopsephurus wilsoni*	70.6 - 66 Ma Late/Upper Cretaceous
Lepisosteus occidentalis species	Animalia : Chordata : Actinopteri : Lepisosteiformes : Lepisosteidae : Lepisosteus : *Lepisosteus occidentalis*	72.1 - 66 Ma Late/Upper Cretaceous
Albanerpeton nexuosus species	Animalia : Chordata : Amphibia : Gymnophiona : Albanerpetontidae : Albanerpeton : *Albanerpeton nexuosus*	70.6 - 66 Ma Late/Upper Cretaceous
Prodesmodon copei species	Animalia : Chordata : Osteichthyes : Proteida : Batrachosauroididae : Prodesmodon : *Prodesmodon copei*	70.6 - 66 Ma Late/Upper Cretaceous
Lisserpeton bairdi species	Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : Lisserpeton : *Lisserpeton bairdi*	70.6 - 66 Ma Late/Upper Cretaceous
Habrosaurus dilatus species	Animalia : Chordata : Amphibia : Caudata : Sirenidae : Habrosaurus : *Habrosaurus dilatus*	72.1 - 66 Ma Late/Upper Cretaceous
Stygiochelys genus	Animalia : Chordata : Reptilia : Testudines : Baenidae : *Stygiochelys*	70.6 - 66 Ma Late/Upper Cretaceous
Thescelus insiliens species	Animalia : Chordata : Reptilia : Testudines : Baenidae : Thescelus : *Thescelus insiliens*	70.6 - 66 Ma Late/Upper Cretaceous
Basilemys sinuosa species	Animalia : Chordata : Reptilia : Testudines : Nanhsiungchelyidae : Basilemys : *Basilemys sinuosa*	70.6 - 66 Ma Late/Upper Cretaceous
Leptochamops denticulatus species	Animalia : Chordata : Reptilia : Squamata : Chamopsiidae : Leptochamops : *Leptochamops denticulatus*	70.6 - 66 Ma Late/Upper Cretaceous
Viviparus genus	Animalia : Mollusca : Gastropoda : Architaenioglossa : Viviparidae : *Viviparus*	70.6 - 66 Ma Late/Upper Cretaceous
Hesperosaurus mjosi species	Animalia : Chordata : Ornithischia : Stegosauridae : Hesperosaurus : *Hesperosaurus mjosi*	157.3 - 152.1 Ma Jurassic
Belonostomus longirostris species	Animalia : Chordata : Actinopteri : Aspidorhynchidae : Belonostomus : *Belonostomus longirostris*	70.6 - 66 Ma Late/Upper Cretaceous
Neobatrachia unranked clade	Animalia : Chordata : Osteichthyes : Anura : Neobatrachia	70.6 - 66 Ma Late/Upper Cretaceous
Trionyx beecheri species	Animalia : Chordata : Reptilia : Testudines : Trionychidae : Trionyx : *Trionyx beecheri*	72.1 - 66 Ma Late/Upper Cretaceous
Meniscognathus altmani species	Animalia : Chordata : Reptilia : Squamata : Teiidae : Meniscognathus : *Meniscognathus altmani*	70.6 - 66 Ma Late/Upper Cretaceous
Estescincosaurus cooki species	Animalia : Chordata : Reptilia : Squamata : Estescincosaurus : *Estescincosaurus cooki*	70.6 - 66 Ma Late/Upper Cretaceous
Litakis gilmorei species	Animalia : Chordata : Reptilia : Squamata : Litakis : *Litakis gilmorei*	70.6 - 66 Ma Late/Upper Cretaceous
Saurexallopus zerbsti species	Animalia : Chordata : Saurischia : Avetheropoda : Saurexallopus : *Saurexallopus zerbsti*	70.6 - 66 Ma Late/Upper Cretaceous
Hadrosauropodus genus	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae : *Hadrosauropodus*	70.6 - 66 Ma Late/Upper Cretaceous
Sarjeantopodus semipalmatus species	Animalia : Chordata : Aves : Charadriiformes : Sarjeantopodus : *Sarjeantopodus semipalmatus*	70.6 - 66 Ma Late/Upper Cretaceous
Parophisaurus pawneensis species	Animalia : Chordata : Reptilia : Squamata : Anguidae : Parophisaurus : *Parophisaurus pawneensis*	33.9 - 33.3 Ma Oligocene
Acodus genus	Animalia : Chordata : *Acodus*	460.9 - 443.7 Ma Paleozoic
Artiodactyla order	Animalia : Chordata : Mammalia : Artiodactyla	37.2 - 33.9 Ma Paleogene
Physa genus	Animalia : Mollusca : Gastropoda : Physidae : *Physa*	70.6 - 66 Ma Late/Upper Cretaceous
Paradiscoglossus americanus species	Animalia : Chordata : Osteichthyes : Anura : Paradiscoglossus : *Paradiscoglossus americanus*	70.6 - 66 Ma Late/Upper Cretaceous
Palaeobatrachus occidentalis species	Animalia : Chordata : Osteichthyes : Anura : Palaeobatrachidae : Palaeobatrachus : *Palaeobatrachus occidentalis*	70.6 - 66 Ma Late/Upper Cretaceous
Theatonius lancensis species	Animalia : Chordata : Osteichthyes : Anura : Theatonius : *Theatonius lancensis*	70.6 - 66 Ma Late/Upper Cretaceous
Amia fragosa species	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : Amia : *Amia fragosa*	70.6 - 66 Ma Late/Upper Cretaceous
Amia uintaensis species	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : Amia : *Amia uintaensis*	70.6 - 66 Ma Late/Upper Cretaceous
Anura order	Animalia : Chordata : Osteichthyes : Anura	70.6 - 66 Ma Late/Upper Cretaceous
Tribosphenida subclass	Animalia : Chordata : Mammalia : Tribosphenida	113 - 100.5 Ma Early/Lower Cretaceous
Phenacolemurinae subfamily	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Phenacolemurinae	55.8 - 50.3 Ma Eocene
Galloanserae unranked clade	Animalia : Chordata : Aves : Galloanserae	70.6 - 66 Ma Late/Upper Cretaceous
Judithemys backmani species	Animalia : Chordata : Reptilia : Testudines : Macrobaenidae : Judithemys : *Judithemys backmani*	72.1 - 66 Ma Late/Upper Cretaceous
Plastomenidae family	Animalia : Chordata : Reptilia : Testudines : Plastomenidae	70.6 - 66 Ma Late/Upper Cretaceous
Eubaena hatcheri species	Animalia : Chordata : Reptilia : Testudines : Baenidae : Eubaena : *Eubaena hatcheri*	70.6 - 66 Ma Late/Upper Cretaceous
Adapisoricidae family	Animalia : Chordata : Mammalia : Erinaceomorpha : Adapisoricidae	61.7 - 56.8 Ma Paleocene
Perissodactyla order	Animalia : Chordata : Mammalia : Perissodactyla	55.8 - 50.3 Ma Eocene
Nanocuris improvida species	Animalia : Chordata : Mammalia : Deltatheridiidae : Nanocuris : *Nanocuris improvida*	72.1 - 66 Ma Late/Upper Cretaceous
Piceoerpeton willwoodense species	Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : Piceoerpeton : *Piceoerpeton willwoodense*	61.7 - 56.8 Ma Paleocene
Potamornis skutchi species	Animalia : Chordata : Aves : Hesperornithiformes : Potamornis : *Potamornis skutchi*	70.6 - 66 Ma Late/Upper Cretaceous
Borealosuchus sternbergii species	Animalia : Chordata : Reptilia : Crocodylia : Borealosuchus : *Borealosuchus sternbergii*	72.1 - 66 Ma Late/Upper Cretaceous
Deltatheroida order	Animalia : Chordata : Mammalia : Deltatheroida	125 - 100.5 Ma Early/Lower Cretaceous
Cimolopteryx maxima species	Animalia : Chordata : Aves : Charadriiformes : Cimolopterygidae : Cimolopteryx : *Cimolopteryx maxima*	70.6 - 66 Ma Late/Upper Cretaceous
Lamarqueavis minima species	Animalia : Chordata : Aves : Charadriiformes : Cimolopterygidae : Lamarqueavis : *Lamarqueavis minima*	70.6 - 66 Ma Late/Upper Cretaceous
Lamarqueavis petra species	Animalia : Chordata : Aves : Charadriiformes : Cimolopterygidae : Lamarqueavis : *Lamarqueavis petra*	70.6 - 66 Ma Late/Upper Cretaceous
Lonchodytes estesi species	Animalia : Chordata : Aves : Lonchodytes : *Lonchodytes estesi*	70.6 - 66 Ma Late/Upper Cretaceous
Torotix clemensi species	Animalia : Chordata : Aves : Pelecaniformes : Torotix : *Torotix clemensi*	70.6 - 66 Ma Late/Upper Cretaceous
Ceramornis major species	Animalia : Chordata : Aves : Charadriiformes : Cimolopterygidae : Ceramornis : *Ceramornis major*	70.6 - 66 Ma Late/Upper Cretaceous
Corviconodon montanensis species	Animalia : Chordata : Mammalia : Triconodontidae : Corviconodon : *Corviconodon montanensis*	125 - 100.5 Ma Early/Lower Cretaceous
Saurornitholestinae subfamily	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Saurornitholestinae	70.6 - 66 Ma Late/Upper Cretaceous
Palmocarpon genus	Plantae : Angiospermae : Arecales : Palmae : *Palmocarpon*	66 - 56 Ma Paleocene
Prunus genus	Plantae : Tracheophyta : Magnoliopsida : Rosales : Rosaceae : *Prunus*	66 - 56 Ma Paleocene
Vitis genus	Plantae : Tracheophyta : Magnoliopsida : Vitales : Vitaceae : *Vitis*	100.5 - 66 Ma Late/Upper Cretaceous
Dillenites genus	Plantae : Tracheophyta : Magnoliopsida : Dilleniales : Dilleniaceae : *Dillenites*	100.5 - 66 Ma Late/Upper Cretaceous
Hatcheritherium alpha species	Animalia : Chordata : Mammalia : Marsupialia : Hatcheritherium : *Hatcheritherium alpha*	70.6 - 66 Ma Late/Upper Cretaceous
Nortedelphys minimus species	Animalia : Chordata : Mammalia : Herpetotheriidae : Nortedelphys : *Nortedelphys minimus*	70.6 - 66 Ma Late/Upper Cretaceous
Helodermoides tuberculatus species	Animalia : Chordata : Reptilia : Squamata : Anguidae : Helodermoides : *Helodermoides tuberculatus*	37.2 - 33.9 Ma Paleogene
Marsupialiformes unranked clade	Animalia : Chordata : Mammalia : Marsupialiformes	113 - 100.5 Ma Early/Lower Cretaceous
Metatheria subclass	Animalia : Chordata : Mammalia : Metatheria	125 - 100.5 Ma Early/Lower Cretaceous
Eubaeninae unranked clade	Animalia : Chordata : Reptilia : Testudines : Baenidae : Eubaeninae	72.1 - 66 Ma Late/Upper Cretaceous
Cimolodon parvus species	Animalia : Chordata : Mammalia : Cimolodontidae : Cimolodon : *Cimolodon parvus*	70.6 - 66 Ma Late/Upper Cretaceous
Pediomyidae unranked clade	Animalia : Chordata : Mammalia : Pediomyidae	70.6 - 66 Ma Late/Upper Cretaceous
Cedrobaena brinkman species	Animalia : Chordata : Reptilia : Testudines : Baenidae : Cedrobaena : *Cedrobaena brinkman*	70.6 - 66 Ma Late/Upper Cretaceous
Eubaena cephalica species	Animalia : Chordata : Reptilia : Testudines : Baenidae : Eubaena : *Eubaena cephalica*	70.6 - 66 Ma Late/Upper Cretaceous
Kinosternoidae superfamily	Animalia : Chordata : Reptilia : Testudines : Kinosternoidae	72.1 - 66 Ma Late/Upper Cretaceous
Lonchodus genus	Animalia : Chordata : Conodonta : Conodontophorida : Prioniodidae : *Lonchodus*	460.9 - 443.7 Ma Paleozoic
Laevigatosporites genus	Plantae : Tracheophyta : *Laevigatosporites*	66 - 56 Ma Paleocene
Tricolpites genus	Plantae : Tracheophyta : Magnoliopsida : *Tricolpites*	66 - 56 Ma Paleocene
Syncolporites genus	Plantae : Spermatophyta : Magnoliopsida : Santalales : Loranthaceae : *Syncolporites*	66 - 56 Ma Paleocene
Typha genus	Plantae : Tracheophyta : Liliopsida : Poales : Typhaceae : *Typha*	100.5 - 66 Ma Late/Upper Cretaceous
Osmundacidites genus	Plantae : Pteridophyta : Pteridopsida : *Osmundacidites*	66 - 56 Ma Paleocene
Gleicheniidites genus	Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : *Gleicheniidites*	66 - 56 Ma Paleocene
Reticuloidosporites genus	Plantae : Pteridophyta : Pteridopsida : *Reticuloidosporites*	66 - 56 Ma Paleocene
Arecipites genus	Plantae : Tracheophyta : Liliopsida : Arecales : *Arecipites*	66 - 56 Ma Paleocene
Lonchisaurus trichurus species	Animalia : Chordata : Reptilia : Squamata : Lonchisaurus : *Lonchisaurus trichurus*	70.6 - 66 Ma Late/Upper Cretaceous
Cemeterius monstrosus species	Animalia : Chordata : Reptilia : Squamata : Cemeterius : *Cemeterius monstrosus*	70.6 - 66 Ma Late/Upper Cretaceous
Pariguana lancensis species	Animalia : Chordata : Reptilia : Squamata : Pariguana : *Pariguana lancensis*	70.6 - 66 Ma Late/Upper Cretaceous
Hutchemys rememdium species	Animalia : Chordata : Reptilia : Testudines : Trionychidae : Hutchemys : *Hutchemys rememdium*	63.3 - 61.7 Ma Paleocene
Piceoerpeton naylori species	Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : Piceoerpeton : *Piceoerpeton naylori*	70.6 - 66 Ma Late/Upper Cretaceous
Cranea wyomingensis species	Plantae : Tracheophyta : Magnoliopsida : Fagales : Betulaceae : Cranea : *Cranea wyomingensis*	66 - 33.9 Ma Paleogene
Anona genus	*Anona*	100.5 - 66 Ma Late/Upper Cretaceous
Palaeophytocrene genus	Plantae : Tracheophyta : Magnoliopsida : Icacinales : Icacinaceae : *Palaeophytocrene*	66 - 56 Ma Paleocene
Cupanieidites genus	Plantae : Tracheophyta : Magnoliopsida : Sapindales : Sapindaceae : *Cupanieidites*	66 - 56 Ma Paleocene
Triatriopollenites genus	Plantae : Tracheophyta : Magnoliopsida : Proteales : *Triatriopollenites*	66 - 56 Ma Paleocene
Fraxinoipollenites genus	Plantae : Magnoliophyta : *Fraxinoipollenites*	66 - 56 Ma Paleocene
Araliaephyllum genus	*Araliaephyllum*	100.5 - 66 Ma Late/Upper Cretaceous
Juglandicarya genus	*Juglandicarya*	66 - 56 Ma Paleocene
Selaginella genus	Plantae : Tracheophyta : Lycopodiopsida : Selaginellales : Selaginellaceae : *Selaginella*	100.5 - 66 Ma Late/Upper Cretaceous
Filicites genus	*Filicites*	100.5 - 66 Ma Late/Upper Cretaceous
Lioplacodes genus	Animalia : Mollusca : Gastropoda : Architaenioglossa : Viviparidae : *Lioplacodes*	70.6 - 66 Ma Late/Upper Cretaceous
Reesidella genus	Animalia : Mollusca : Gastropoda : Littorinimorpha : Amnicolidae : *Reesidella*	70.6 - 66 Ma Late/Upper Cretaceous
Pistacia genus	Plantae : Tracheophyta : Magnoliopsida : Sapindales : Anacardiaceae : *Pistacia*	100.5 - 66 Ma Late/Upper Cretaceous
Pandaniidites genus	Plantae : Tracheophyta : Magnoliopsida : *Pandaniidites*	66 - 56 Ma Paleocene
Argaliatherium robustum species	Animalia : Chordata : Mammalia : Argaliatherium : *Argaliatherium robustum*	113 - 100.5 Ma Early/Lower Cretaceous
Oklatheridium wiblei species	Animalia : Chordata : Mammalia : Deltatheridiidae : Oklatheridium : *Oklatheridium wiblei*	113 - 100.5 Ma Early/Lower Cretaceous
Tricolpites parvus species	Plantae : Tracheophyta : Magnoliopsida : Tricolpites : *Tricolpites parvus*	66 - 56 Ma Paleocene
Cycadopites follicularis species	Plantae : Tracheophyta : Cycadopites : *Cycadopites follicularis*	66 - 56 Ma Paleocene
Belodus genus	*Belodus*	460.9 - 443.7 Ma Paleozoic
Tricolpites mutabilis species	Plantae : Tracheophyta : Magnoliopsida : Tricolpites : *Tricolpites mutabilis*	66 - 56 Ma Paleocene
Hutchemys sterea species	Animalia : Chordata : Reptilia : Testudines : Plastomenidae : Hutchemys : *Hutchemys sterea*	72.1 - 66 Ma Late/Upper Cretaceous
Araucaria longifolia species	Plantae : Tracheophyta : Pinopsida : Pinales : Araucariaceae : Araucaria : *Araucaria longifolia*	66 - 56 Ma Paleocene
Myrtophyllum torreyi species	Myrtophyllum : *Myrtophyllum torreyi*	100.5 - 56 Ma Phanerozoic
Davidia antiqua species	Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : Actinodonta : *Davidia antiqua*	66 - 56 Ma Paleocene
Allantodiopsis erosa species	Allantodiopsis : *Allantodiopsis erosa*	66 - 56 Ma Paleocene
Blechnum anceps species	Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Blechnaceae : Blechnum : *Blechnum anceps*	66 - 56 Ma Paleocene
Dryopteris serrata species	Plantae : Tracheophyta : Polypodiopsida : Polypodiales : Dryopteridaceae : Dryopteris : *Dryopteris serrata*	66 - 56 Ma Paleocene
Bauhinia wyomingana species	Bauhinia : *Bauhinia wyomingana*	66 - 56 Ma Paleocene
Laurophyllum caudatum species	Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : Laurophyllum : *Laurophyllum caudatum*	66 - 56 Ma Paleocene
Laurus socialis species	Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : Laurus : *Laurus socialis*	66 - 56 Ma Paleocene
Lindera obtusata species	Lindera : *Lindera obtusata*	66 - 56 Ma Paleocene
Sassafras thermale species	Plantae : Tracheophyta : Magnoliopsida : Laurales : Lauraceae : Sassafras : *Sassafras thermale*	66 - 56 Ma Paleocene
Sabal genus	*Sabal*	66 - 56 Ma Paleocene
Sabal grayana species	Sabal : *Sabal grayana*	66 - 56 Ma Paleocene
Quercus sullyi species	Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae : Quercus : *Quercus sullyi*	66 - 56 Ma Paleocene
Paleonelumbo macroloba species	Paleonelumbo : *Paleonelumbo macroloba*	66 - 56 Ma Paleocene
Castanea intermedia species	Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae : Castanea : *Castanea intermedia*	66 - 56 Ma Paleocene
Corylus insignis species	Plantae : Tracheophyta : Magnoliopsida : Fagales : Betulaceae : Corylus : *Corylus insignis*	66 - 56 Ma Paleocene
Leguminosites coloradensis species	Plantae : Tracheophyta : Magnoliopsida : Fabales : Fabaceae : Leguminosites : *Leguminosites coloradensis*	66 - 56 Ma Paleocene
Carpolestinae subfamily	Animalia : Chordata : Mammalia : Primates : Carpolestidae : Carpolestinae	61.7 - 56.8 Ma Paleocene
Yoderimyinae subfamily	Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Yoderimyinae	37.2 - 33.9 Ma Paleogene
Promylagaulinae subfamily	Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae : Promylagaulinae	30.8 - 20.43 Ma Cenozoic
Erismodus gracilis species	Animalia : Chordata : Conodonta : Erismodus : *Erismodus gracilis*	460.9 - 443.7 Ma Paleozoic
Erismodus asymmetricus species	Animalia : Chordata : Conodonta : Erismodus : *Erismodus asymmetricus*	460.9 - 443.7 Ma Paleozoic
Erismodus typus species	Animalia : Chordata : Conodonta : Erismodus : *Erismodus typus*	460.9 - 443.7 Ma Paleozoic

Fossil Localities

Click to show 149 fossil localities

USA

Montana
- Big Horn Co.
  - Phanerozoic🐚 Cloverly
  - Paleocene🐚 USGS locality 4910
- Custer Co.
  - Paleocene🐚 USGS locality 8164
  - Paleocene🐚 USGS locality 8165
  - Paleocene🐚 USGS locality 9199
- Powder River Co.
  - Phanerozoic🐚 FV-15
  - Paleocene🐚 UCMP V86105
  - Paleocene🐚 USGS locality 8786
  - Paleocene🐚 USGS locality 8887
  - Paleocene🐚 USGS locality 8888
  - Paleocene🐚 USGS locality 8910
- Rosebud Co.
  - Paleocene🐚 USGS locality 7662
  - Paleocene🐚 USGS locality 7685
  - Paleocene🐚 USGS locality 7695
  - Paleocene🐚 USGS locality 8166
  - Paleocene🐚 USGS locality 8167
  - Paleocene🐚 USGS locality 8521
Wyoming
- Campbell County
  - Paleogene🐚 Dome Butte
  - Paleocene🐚 RC1822
  - Paleocene🐚 RC1966
  - Paleocene🐚 RC1973
  - Paleocene🐚 USGS locality 4892
  - Paleocene🐚 USGS locality 5480
  - Paleocene🐚 USGS locality 5618
  - Paleocene🐚 USGS locality 5863
  - Paleocene🐚 USGS locality 6083
  - Paleocene🐚 USGS locality 8566
  - Paleocene🐚 USGS locality 8668
- Converse County
  - Late/Upper Cretaceous🐚 1.5 miles below U-L ranch
  - Paleogene🐚 2 miles south of Ten Mile Bridge over Platte River
  - Oligocene🐚 Balanced Rock Locality
  - Oligocene🐚 Doug. 128-181
  - Cenozoic🐚 Douglas Area Upper Chadron
  - Late/Upper Cretaceous🐚 Dry Creek
  - Late/Upper Cretaceous🐚 hadrosaur "mummy"
  - Paleocene🐚 RC
  - Paleocene🐚 RC1803
  - Paleocene🐚 RC1807
  - Paleocene🐚 RC1819
  - Cenozoic🐚 USGS locality 5716
  - Paleocene🐚 USGS locality 5718
  - Oligocene🐚 UW V-75004
  - Late/Upper Cretaceous🐚 West of McKeow's Ranch
- Crook County
  - Paleocene🐚 USGS localities 6050 & 6051
  - Paleocene🐚 USGS locality 6057
- Johnson County
  - Paleozoic🐚 Bighorn Formation Conodonts
  - Jurassic🐚 Buffalo Quarry
  - Cenozoic🐚 Cooper Lake
  - Paleogene🐚 Linch 2C
  - Jurassic🐚 near Brown's Ranch
  - Eocene🐚 Powder River
  - Paleocene🐚 USGS locality 5911
  - Paleocene🐚 USGS locality 5917
  - Paleocene🐚 USGS locality 5918
  - Paleocene🐚 USGS locality 8893
- Niobrara County

USA

Wyoming

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A) In-text Citation No.

Coleman, J.L., Jr., and Cahan, S.M., 2012, Preliminary catalog of the sedimentary basins of the United States: U.S. Geological Survey Open-File Report 2012–1111, 27 p. (plus 4 figures and 1 table available as separate files) Available online at http://pubs.usgs.gov/of/2012/1111/.

Localities in this Region

USA

Wyoming

Other Regions, Features and Areas that Intersect

North America

Rocky MountainsMountain Range

North America PlateTectonic Plate

Wyoming DomainDomain

USA

Wyoming
- Campbell County
  - Pumpkin Buttes Mining DistrictMining District
- Johnson County
  - Pumpkin Buttes Mining DistrictMining District

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