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Big Bend National Park, Brewster County, Texas, USA i
Regional Level Types
Big Bend National Park National Park
Brewster County County
Texas State
USA Country

Regional Level Types
Big Bend National Park	National Park
Brewster County	County
Texas	State
USA	Country

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Casa Grande

Big Bend National Park, Brewster County, Texas, USA

Topo map of park

Big Bend National Park, Brewster County, Texas, USA

Santa Elena Canyon

Big Bend National Park, Brewster County, Texas, USA

Casa Grande

Big Bend National Park, Brewster County, Texas, USA

Topo map of park

Big Bend National Park, Brewster County, Texas, USA

Santa Elena Canyon

Big Bend National Park, Brewster County, Texas, USA

Casa Grande

Big Bend National Park, Brewster County, Texas, USA

Topo map of park

Big Bend National Park, Brewster County, Texas, USA

Type:

National Park

Mindat Locality ID:

35510

Long-form identifier:

mindat:1:2:35510:7

GUID (UUID V4):

13fece38-7d49-4727-9710-d140f2126038

Deposit: Mineralization is northern extension of hi grade fluorspar deposits

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.

ⓘ Fluorite (Fluorspar)

ⓘ Mercury

Mineral List

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

37 valid minerals.

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:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

Locality: Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Albite

Formula: Na(AlSi₃O₈)

Localities:

Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA
Bee Mountain, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224 Smith, A.E. Jr. (2016) The Mineralogy of Texas. Publisher Brett Smith, Houston, Texas, Printer Lulu.com, 226 pages.

ⓘ Albite var. Anorthoclase

Formula: (Na,K)AlSi₃O₈

Locality: Bone Spring, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ 'Alkali Feldspar'

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: Morgan, L. A., & Shanks, W. C. (2008). Where magma meets limestone: Dagger Flats, an example of skarn deposits in Big Bend National Park. Geological, Geochemical and Geophysical Studies by the US Geological Survey in Big Bend National Park. US Geological Survey Circular, 1327, 43-55.

ⓘ Analcime

Formula: Na(AlSi₂O₆) · H₂O

Localities:

Bone Spring, Big Bend National Park, Brewster County, Texas, USA
Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA
Bee Mountain, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Anhydrite

Formula: CaSO₄

Localities:

Dead Spider Cave, Big Bend National Park, Brewster County, Texas, USA
Pin Cushion Cave, Big Bend National Park, Brewster County, Texas, USA
Flower Cave, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: Hill, C. A. (1979). Recent anhydrite and bassanite from caves in Big Bend National Park, Texas. National Speleological Society Bulletin, 42, 126-127.

ⓘ Anorthite

Formula: Ca(Al₂Si₂O₈)

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

Locality: Bone Spring, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Localities:

Bone Spring, Big Bend National Park, Brewster County, Texas, USA
Location 159, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Augite var. Titanium-bearing Augite

Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆

Locality: Location 159, Big Bend National Park, Brewster County, Texas, USA

Reference: Cameron, K.L., Carman, M.F., Butler, J.C. (1970) Rhönite from Big Bend National Park, Texas. American Mineralogist: 55(5-6): 864-874.

ⓘ Bassanite

Formula: Ca(SO₄) · 0.5H₂O

Localities:

Big Bend National Park, Brewster County, Texas, USA
Dead Spider Cave, Big Bend National Park, Brewster County, Texas, USA
Pin Cushion Cave, Big Bend National Park, Brewster County, Texas, USA
Flower Cave, Big Bend National Park, Brewster County, Texas, USA

Reference: Handbook of Mineralogy

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂

Locality: Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Calcite

Formula: CaCO₃

Localities:

Chisos Mountains, Big Bend National Park, Brewster County, Texas, USA
Mariscal Mine (Ellis Mine; Viviana Mine; Lindsey Mine), Big Bend National Park, Brewster County, Texas, USA
Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA
Bee Mountain, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Fluorescence: pink

Description: phosphorescent under LW

Reference: R&M 66:3 pp 196-224

ⓘ 'Chlorite Group'

Localities:

Location 159, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: Cameron, K.L., Carman, M.F., Butler, J.C. (1970) Rhönite from Big Bend National Park, Texas. American Mineralogist: 55(5-6): 864-874.

ⓘ Cinnabar

Formula: HgS

Locality: Mariscal Mine (Ellis Mine; Viviana Mine; Lindsey Mine), Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Clinochlore

Formula: Mg₅Al(AlSi₃O₁₀)(OH)₈

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Clintonite

Formula: CaAlMg₂(SiAl₃O₁₀)(OH)₂

Locality: Bee Mountain, Big Bend National Park, Brewster County, Texas, USA

Reference: Mineralogical Magazine 1979 43 : 479-482.

ⓘ Darapskite

Formula: Na₃(SO₄)(NO₃) · H₂O

Locality: Flower Cave, Big Bend National Park, Brewster County, Texas, USA

Description: Smithsonian specimen 1429000 GM

Reference: Rocks & Minerals: 66(3): 196-224.; Mineralogical Magazine 1977 41 : 548-550.; Hill, C. A., & Ewing, R. C. (1977). Darapskite, Na 3 (NO 3)(SO 4). H 2 O, a new occurrence, in Texas. Mineralogical Magazine, 41(320), 548-550.

ⓘ Diopside

Formula: CaMgSi₂O₆

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Localities:

Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA
Bee Mountain, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

Locality: Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Fluorite

Formula: CaF₂

Localities:

Unnamed localities near Boquillas (EM-BR-W31-1), Big Bend National Park, Brewster County, Texas, USA
Unnamed localities at Mariscal Mountain (EM-BR-X29-2), Big Bend National Park, Brewster County, Texas, USA

Reference: BEG Min Res Circ 73

ⓘ Grossular

Formula: Ca₃Al₂(SiO₄)₃

Localities:

Bee Mountain, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: Mineralogical Magazine 1979 43 : 479-482.

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Locality: Dead Spider Cave, Big Bend National Park, Brewster County, Texas, USA

Reference: Hill, C. A. (1979). Recent anhydrite and bassanite from caves in Big Bend National Park, Texas. National Speleological Society Bulletin, 42, 126-127.

ⓘ Halite

Formula: NaCl

Locality: Flower Cave, Big Bend National Park, Brewster County, Texas, USA

ⓘ 'Hornblende'

Localities:

Bone Spring, Big Bend National Park, Brewster County, Texas, USA
Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

Localities:

Pin Cushion Cave, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: Hill, C. A. (1979). Recent anhydrite and bassanite from caves in Big Bend National Park, Texas. National Speleological Society Bulletin, 42, 126-127.

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Locality: Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Mesolite

Formula: Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Microcline

Formula: K(AlSi₃O₈)

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Montmorillonite

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

Localities:

Bee Mountain, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: Mineralogical Magazine 1979 43 : 479-482.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Natrolite

Formula: Na₂Al₂Si₃O₁₀ · 2H₂O

Locality: Bone Spring, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

Locality: Location 159, Big Bend National Park, Brewster County, Texas, USA

Reference: Cameron, K.L., Carman, M.F., Butler, J.C. (1970) Rhönite from Big Bend National Park, Texas. American Mineralogist: 55(5-6): 864-874.

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

Localities:

Rattlesnake Mountains, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Localities:

Location 159, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: Cameron, K.L., Carman, M.F., Butler, J.C. (1970) Rhönite from Big Bend National Park, Texas. American Mineralogist: 55(5-6): 864-874.

ⓘ Prehnite

Formula: Ca₂Al₂Si₃O₁₀(OH)₂

Localities:

Bee Mountain, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: Mineralogical Magazine 1979 43 : 479-482.

ⓘ Pyrite

Formula: FeS₂

Locality: Mariscal Mine (Ellis Mine; Viviana Mine; Lindsey Mine), Big Bend National Park, Brewster County, Texas, USA

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

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Quartz

Formula: SiO₂

Localities:

Bee Mountain, Big Bend National Park, Brewster County, Texas, USA
Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

Reference: R&M 66:3 pp 196-224

ⓘ Rhönite

Formula: Ca₄[Mg₈Fe³⁺₂Ti₂]O₄[Si₆Al₆O₃₆]

Locality: Location 159, Big Bend National Park, Brewster County, Texas, USA

Reference: Cameron, K.L., Carman, M.F., Butler, J.C. (1970) Rhönite from Big Bend National Park, Texas. American Mineralogist: 55(5-6): 864-874.

ⓘ 'Smectite Group'

Formula: A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ 'Tetranatrolite'

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ 'Thomsonite Subgroup'

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Titanite

Formula: CaTi(SiO₄)O

Locality: Location 159, Big Bend National Park, Brewster County, Texas, USA

Reference: Cameron, K.L., Carman, M.F., Butler, J.C. (1970) Rhönite from Big Bend National Park, Texas. American Mineralogist: 55(5-6): 864-874.

ⓘ Vermiculite

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

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Wollastonite

Formula: Ca₃(Si₃O₉)

Locality: Dagger Flats, Big Bend National Park, Brewster County, Texas, USA

ⓘ Zoisite

Formula: (CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)

Locality: Bee Mountain, Big Bend National Park, Brewster County, Texas, USA

Reference: Mineralogical Magazine 1979 43 : 479-482.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Cinnabar	2.CD.15a	HgS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
ⓘ	Halite	3.AA.20	NaCl
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Anhydrite	7.AD.30	CaSO₄
ⓘ	Bassanite	7.CD.45	Ca(SO₄) · 0.5H₂O
ⓘ	Darapskite	7.DG.05	Na₃(SO₄)(NO₃) · H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Anorthoclase	9.FA.35	(Na,K)AlSi₃O₈
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Anorthite	9.FA.35	Ca(Al₂Si₂O₈)
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	var. Titanium-bearing Augite	9.DA.15	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
ⓘ	Clinochlore	9.EC.55	Mg₅Al(AlSi₃O₁₀)(OH)₈
ⓘ	Clintonite	9.EC.35	CaAlMg₂(SiAl₃O₁₀)(OH)₂
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Grossular	9.AD.25	Ca₃Al₂(SiO₄)₃
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Mesolite	9.GA.05	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Natrolite	9.GA.05	Na₂Al₂Si₃O₁₀ · 2H₂O
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Rhönite	9.DH.40	Ca₄[Mg₈Fe³⁺₂Ti₂]O₄[Si₆Al₆O₃₆]
ⓘ	'Tetranatrolite'	9.GA.20
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Vermiculite	9.EC.50	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
ⓘ	Wollastonite	9.DG.05	Ca₃(Si₃O₉)
ⓘ	Zoisite	9.BG.10	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Unclassified Minerals, Rocks, etc.
ⓘ	'Alkali Feldspar'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Hornblende'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Pyroxene Group'	-	ADSi₂O₆
ⓘ	'Smectite Group'	-	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
ⓘ	'Thomsonite Subgroup'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Darapskite	Na₃(SO₄)(NO₃) · H₂O
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Clintonite	CaAlMg₂(SiAl₃O₁₀)(OH)₂
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
H	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
H	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
H	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
H	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
C	Carbon
C	ⓘ Calcite	CaCO₃
N	Nitrogen
N	ⓘ Darapskite	Na₃(SO₄)(NO₃) · H₂O
O	Oxygen
O	ⓘ Quartz	SiO₂
O	ⓘ Darapskite	Na₃(SO₄)(NO₃) · H₂O
O	ⓘ Rhönite	Ca₄[Mg₈Fe₂³⁺Ti₂]O₄[Si₆Al₆O₃₆]
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
O	ⓘ Calcite	CaCO₃
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Clintonite	CaAlMg₂(SiAl₃O₁₀)(OH)₂
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
O	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
O	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
O	ⓘ Anhydrite	CaSO₄
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Anorthite	Ca(Al₂Si₂O₈)
O	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Pyroxene Group	ADSi₂O₆
O	ⓘ Smectite Group	A_0.3D_2-3[T₄O₁₀]Z₂ · nH₂O
O	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
O	ⓘ Wollastonite	Ca₃(Si₃O₉)
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
Na	Sodium
Na	ⓘ Darapskite	Na₃(SO₄)(NO₃) · H₂O
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Na	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Na	ⓘ Halite	NaCl
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Na	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Mg	Magnesium
Mg	ⓘ Rhönite	Ca₄[Mg₈Fe₂³⁺Ti₂]O₄[Si₆Al₆O₃₆]
Mg	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Mg	ⓘ Clintonite	CaAlMg₂(SiAl₃O₁₀)(OH)₂
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Al	Aluminium
Al	ⓘ Rhönite	Ca₄[Mg₈Fe₂³⁺Ti₂]O₄[Si₆Al₆O₃₆]
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Al	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Clintonite	CaAlMg₂(SiAl₃O₁₀)(OH)₂
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Al	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Al	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Al	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Si	Silicon
Si	ⓘ Quartz	SiO₂
Si	ⓘ Rhönite	Ca₄[Mg₈Fe₂³⁺Ti₂]O₄[Si₆Al₆O₃₆]
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Clintonite	CaAlMg₂(SiAl₃O₁₀)(OH)₂
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Si	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Si	ⓘ Clinochlore	Mg₅Al(AlSi₃O₁₀)(OH)₈
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Pyroxene Group	ADSi₂O₆
Si	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Si	ⓘ Wollastonite	Ca₃(Si₃O₉)
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
S	Sulfur
S	ⓘ Darapskite	Na₃(SO₄)(NO₃) · H₂O
S	ⓘ Cinnabar	HgS
S	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Anhydrite	CaSO₄
S	ⓘ Gypsum	CaSO₄ · 2H₂O
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	ⓘ Halite	NaCl
K	Potassium
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
K	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Rhönite	Ca₄[Mg₈Fe₂³⁺Ti₂]O₄[Si₆Al₆O₃₆]
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Clintonite	CaAlMg₂(SiAl₃O₁₀)(OH)₂
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Ca	ⓘ Grossular	Ca₃Al₂(SiO₄)₃
Ca	ⓘ Zoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Bassanite	Ca(SO₄) · 0.5H₂O
Ca	ⓘ Anhydrite	CaSO₄
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Anorthite	Ca(Al₂Si₂O₈)
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Mesolite	Na₂Ca₂Si₉Al₆O₃₀ · 8H₂O
Ca	ⓘ Wollastonite	Ca₃(Si₃O₉)
Ti	Titanium
Ti	ⓘ Rhönite	Ca₄[Mg₈Fe₂³⁺Ti₂]O₄[Si₆Al₆O₃₆]
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Fe	Iron
Fe	ⓘ Rhönite	Ca₄[Mg₈Fe₂³⁺Ti₂]O₄[Si₆Al₆O₃₆]
Fe	ⓘ Augite var. Titanium-bearing Augite	(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)₂O₆
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ · 8H₂O
Hg	Mercury
Hg	ⓘ Cinnabar	HgS

Fossils

There are 66 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

626

Youngest Fossil Listed

4.90 Ma (Pliocene)

Oldest Fossil Listed

99.6 Ma (Late/Upper Cretaceous)

Stratigraphic Units

Click here to view 19 stratigraphic units.

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Gastropoda class	Animalia : Mollusca : Gastropoda	83.5 - 70.6 Ma Late/Upper Cretaceous
Chondrichthyes class	Animalia : Chordata : Chondrichthyes	83.5 - 70.6 Ma Late/Upper Cretaceous
Hybodus genus	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Hybodontidae : *Hybodus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ischyrhiza genus	Animalia : Chordata : Chondrichthyes : Sclerorhynchiformes : Sclerorhynchidae : *Ischyrhiza*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ptychotrygon genus	Animalia : Chordata : Chondrichthyes : Sclerorhynchiformes : Ptychotrygonidae : *Ptychotrygon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Squatirhina genus	Animalia : Chordata : Chondrichthyes : Orectolobiformes : Orectolobidae : *Squatirhina*	83.5 - 70.6 Ma Late/Upper Cretaceous
Osteichthyes unranked clade	Animalia : Chordata : Osteichthyes	83.5 - 70.6 Ma Late/Upper Cretaceous
Lepisosteus genus	Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae : *Lepisosteus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Amphibia class	Animalia : Chordata : Amphibia	83.5 - 70.6 Ma Late/Upper Cretaceous
Crocodylia unranked clade	Animalia : Chordata : Reptilia : Crocodylia	83.5 - 66 Ma Late/Upper Cretaceous
Aves class	Animalia : Chordata : Aves	83.5 - 66 Ma Late/Upper Cretaceous
Mammalia class	Animalia : Chordata : Mammalia	83.5 - 70.6 Ma Late/Upper Cretaceous
Albanerpeton genus	Animalia : Chordata : Amphibia : Gymnophiona : Albanerpetontidae : *Albanerpeton*	83.5 - 70.6 Ma Late/Upper Cretaceous
Scapherpeton genus	Animalia : Chordata : Osteichthyes : Caudata : Scapherpetontidae : *Scapherpeton*	83.5 - 70.6 Ma Late/Upper Cretaceous
Baenidae family	Animalia : Chordata : Reptilia : Testudines : Baenidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Adocus genus	Animalia : Chordata : Reptilia : Testudines : Adocidae : *Adocus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Basilemys genus	Animalia : Chordata : Reptilia : Testudines : Nanhsiungchelyidae : *Basilemys*	83.5 - 70.6 Ma Late/Upper Cretaceous
Hoplochelys genus	Animalia : Chordata : Reptilia : Testudines : Chelydridae : *Hoplochelys*	83.5 - 70.6 Ma Late/Upper Cretaceous
Trionychidae family	Animalia : Chordata : Reptilia : Testudines : Trionychidae	83.5 - 66 Ma Late/Upper Cretaceous
Geochelone genus	Animalia : Chordata : Reptilia : Testudines : Testudinidae : *Geochelone*	24.8 - 20.43 Ma Cenozoic
Lacertilia suborder	Animalia : Chordata : Reptilia : Squamata : Lacertilia	83.5 - 70.6 Ma Late/Upper Cretaceous
Teiidae family	Animalia : Chordata : Reptilia : Squamata : Teiidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Chamops genus	Animalia : Chordata : Reptilia : Squamata : Teiidae : *Chamops*	83.5 - 70.6 Ma Late/Upper Cretaceous
Peneteius genus	Animalia : Chordata : Reptilia : Squamata : Teiidae : *Peneteius*	83.5 - 70.6 Ma Late/Upper Cretaceous
Archosauria unranked clade	Animalia : Chordata : Reptilia : Eosuchia : Archosauria	83.5 - 70.6 Ma Late/Upper Cretaceous
Deinosuchus genus	Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : *Deinosuchus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Pterosauria order	Animalia : Chordata : Reptilia : Pterosauria	83.5 - 70.6 Ma Late/Upper Cretaceous
Quetzalcoatlus genus	Animalia : Chordata : Reptilia : Pterosauria : Azhdarchidae : *Quetzalcoatlus*	72.1 - 66 Ma Late/Upper Cretaceous
Theropoda unranked clade	Animalia : Chordata : Saurischia : Theropoda	83.5 - 70.6 Ma Late/Upper Cretaceous
Ornithomimidae family	Animalia : Chordata : Saurischia : Avetheropoda : Ornithomimidae	83.5 - 66 Ma Late/Upper Cretaceous
Chirostenotes genus	Animalia : Chordata : Saurischia : Avetheropoda : Caenagnathidae : *Chirostenotes*	83.5 - 70.6 Ma Late/Upper Cretaceous
Dromaeosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae	83.5 - 70.6 Ma Late/Upper Cretaceous
Paronychodon genus	Animalia : Chordata : Saurischia : Avetheropoda : *Paronychodon*	70.6 - 66 Ma Late/Upper Cretaceous
Saurornitholestes genus	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : *Saurornitholestes*	83.5 - 66 Ma Late/Upper Cretaceous
Tyrannosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Tyrannosauridae	83.5 - 66 Ma Late/Upper Cretaceous
Alamosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Saltasauridae : *Alamosaurus*	83.6 - 72.1 Ma Late/Upper Cretaceous
Ornithischia unranked clade	Animalia : Chordata : Ornithischia	83.5 - 70.6 Ma Late/Upper Cretaceous
Hadrosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae	83.5 - 66 Ma Late/Upper Cretaceous
Pachycephalosauridae family	Animalia : Chordata : Ornithischia : Pachycephalosauridae	83.5 - 66 Ma Late/Upper Cretaceous
Ankylosauria unranked clade	Animalia : Chordata : Ornithischia : Ankylosauria	83.5 - 70.6 Ma Late/Upper Cretaceous
Panoplosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Nodosauridae : *Panoplosaurus*	72.1 - 66 Ma Late/Upper Cretaceous
Ceratopsia unranked clade	Animalia : Chordata : Ornithischia : Ceratopsia	83.5 - 70.6 Ma Late/Upper Cretaceous
Ceratopsidae family	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae	83.5 - 66 Ma Late/Upper Cretaceous
Pentaceratops genus	Animalia : Chordata : Ornithischia : Ceratopsidae : *Pentaceratops*	83.5 - 66 Ma Late/Upper Cretaceous
Multituberculata order	Animalia : Chordata : Mammalia : Multituberculata	83.5 - 70.6 Ma Late/Upper Cretaceous
Cimexomys genus	Animalia : Chordata : Mammalia : Taeniolabidae : *Cimexomys*	83.5 - 70.6 Ma Late/Upper Cretaceous
Paracimexomys genus	Animalia : Chordata : Mammalia : Taeniolabidae : *Paracimexomys*	83.5 - 70.6 Ma Late/Upper Cretaceous
Viridomys genus	Animalia : Chordata : Mammalia : Taeniolabidae : *Viridomys*	66 - 63.3 Ma Paleocene
Mesodma genus	Animalia : Chordata : Mammalia : Ptilodontidae : *Mesodma*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ptilodus genus	Animalia : Chordata : Mammalia : Ptilodontidae : *Ptilodus*	66 - 63.3 Ma Paleocene
Cimolodon genus	Animalia : Chordata : Mammalia : Cimolodontidae : *Cimolodon*	66 - 63.3 Ma Paleocene
Meniscoessus genus	Animalia : Chordata : Mammalia : Taeniolabididae : *Meniscoessus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Cimolomys genus	Animalia : Chordata : Mammalia : Cimolomyidae : *Cimolomys*	83.5 - 70.6 Ma Late/Upper Cretaceous
Marsupialia family	Animalia : Chordata : Mammalia : Marsupialia	83.5 - 70.6 Ma Late/Upper Cretaceous
Alphadon genus	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : *Alphadon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Herpetotherium genus	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : *Herpetotherium*	46.2 - 20.43 Ma Cenozoic
Peradectes genus	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : *Peradectes*	66 - 63.3 Ma Paleocene
Gelastops genus	Animalia : Chordata : Mammalia : Cimolestidae : *Gelastops*	66 - 63.3 Ma Paleocene
Jepsenella genus	Animalia : Chordata : Mammalia : Apatemyidae : *Jepsenella*	61.7 - 56.8 Ma Paleocene
Palaeictops genus	Animalia : Chordata : Mammalia : Pilosa : Leptictidae : *Palaeictops*	61.7 - 56.8 Ma Paleocene
Insectivora order	Animalia : Chordata : Mammalia : Insectivora	66 - 63.3 Ma Paleocene
Proterixoides genus	Animalia : Chordata : Mammalia : Erinaceomorpha : Amphilemuridae : *Proterixoides*	46.2 - 40.4 Ma Eocene
Caenolambda genus	Animalia : Chordata : Mammalia : Pantolambdidae : *Caenolambda*	63.3 - 61.7 Ma Paleocene
Coryphodon genus	Animalia : Chordata : Mammalia : Coryphodontidae : *Coryphodon*	55.8 - 50.3 Ma Eocene
Stylinodon genus	Animalia : Chordata : Mammalia : Stylinodontidae : *Stylinodon*	46.2 - 40.4 Ma Eocene
Zanycteris genus	Animalia : Chordata : Mammalia : Primates : Picrodontidae : *Zanycteris*	61.7 - 56.8 Ma Paleocene
Omomyidae family	Animalia : Chordata : Mammalia : Primates : Omomyidae	46.2 - 40.4 Ma Eocene
Protictis (Bryanictis) subgenus	Animalia : Chordata : Mammalia : Viverravidae : Protictis : *Protictis (Bryanictis)*	66 - 63.3 Ma Paleocene
Miacidae family	Animalia : Chordata : Mammalia : Carnivora : Miacidae	46.2 - 40.4 Ma Eocene
Pseudaelurus genus	Animalia : Chordata : Mammalia : Carnivora : Felidae : *Pseudaelurus*	10.3 - 4.9 Ma Neogene
Martes genus	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : *Martes*	10.3 - 4.9 Ma Neogene
Megalictis genus	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : *Megalictis*	24.8 - 20.43 Ma Cenozoic
Canidae family	Animalia : Chordata : Mammalia : Carnivora : Canidae	24.8 - 20.43 Ma Cenozoic
Eucyon genus	Animalia : Chordata : Mammalia : Carnivora : Canidae : *Eucyon*	10.3 - 4.9 Ma Neogene
Vulpes genus	Animalia : Chordata : Mammalia : Carnivora : Canidae : *Vulpes*	10.3 - 4.9 Ma Neogene
Rodentia order	Animalia : Chordata : Mammalia : Rodentia	24.8 - 20.43 Ma Cenozoic
Ischyromyidae family	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae	46.2 - 40.4 Ma Eocene
Spermophilus genus	Animalia : Chordata : Mammalia : Rodentia : Sciuridae : *Spermophilus*	10.3 - 4.9 Ma Neogene
Geomyoidea superfamily	Animalia : Chordata : Mammalia : Rodentia : Geomyoidea	24.8 - 20.43 Ma Cenozoic
Prothryptacodon genus	Animalia : Chordata : Mammalia : Arctocyonidae : *Prothryptacodon*	61.7 - 56.8 Ma Paleocene
Bomburia genus	Animalia : Chordata : Mammalia : Condylarthra : Hyopsodontidae : *Bomburia*	66 - 63.3 Ma Paleocene
Protoselene genus	Animalia : Chordata : Mammalia : Mioclaenidae : *Protoselene*	66 - 63.3 Ma Paleocene
Hyopsodus genus	Animalia : Chordata : Mammalia : Hyopsodontidae : *Hyopsodus*	55.8 - 40.4 Ma Eocene
Periptychus genus	Animalia : Chordata : Mammalia : Periptychidae : *Periptychus*	66 - 56.8 Ma Paleocene
Phenacodus genus	Animalia : Chordata : Mammalia : Phenacodontidae : *Phenacodus*	55.8 - 50.3 Ma Eocene
Hylomeryx genus	Animalia : Chordata : Mammalia : Artiodactyla : Bunomerycidae : *Hylomeryx*	46.2 - 40.4 Ma Eocene
Dichobunidae family	Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae	46.2 - 40.4 Ma Eocene
Helohyus genus	Animalia : Chordata : Mammalia : Artiodactyla : Helohyidae : *Helohyus*	46.2 - 40.4 Ma Eocene
Agriochoerus genus	Animalia : Chordata : Mammalia : Artiodactyla : Anoplotheriidae : *Agriochoerus*	40.4 - 37.2 Ma Eocene
Merychyus genus	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : *Merychyus*	24.8 - 20.43 Ma Cenozoic
Camelidae family	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae	24.8 - 20.43 Ma Cenozoic
Aguascalientia genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Aguascalientia*	24.8 - 20.43 Ma Cenozoic
Hemiauchenia genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Hemiauchenia*	10.3 - 4.9 Ma Neogene
Megatylopus genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Megatylopus*	10.3 - 4.9 Ma Neogene
Stenomylus genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Stenomylus*	24.8 - 20.43 Ma Cenozoic
Leptoreodon genus	Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : *Leptoreodon*	40.4 - 37.2 Ma Eocene
Hendryomeryx genus	Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : *Hendryomeryx*	40.4 - 37.2 Ma Eocene
Antilocapridae family	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae	10.3 - 4.9 Ma Neogene
Baioconodon genus	Animalia : Chordata : Mammalia : Arctocyonidae : *Baioconodon*	66 - 63.3 Ma Paleocene
Harpagolestes genus	Animalia : Chordata : Mammalia : Cetacea : Mesonychidae : *Harpagolestes*	40.4 - 37.2 Ma Eocene
Hessolestes genus	Animalia : Chordata : Mammalia : Cetacea : Mesonychidae : *Hessolestes*	46.2 - 40.4 Ma Eocene
Equidae family	Animalia : Chordata : Mammalia : Perissodactyla : Equidae	46.2 - 40.4 Ma Eocene
Brontotheriidae family	Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae	50.3 - 37.2 Ma Eocene
Toxotherium genus	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : *Toxotherium*	40.4 - 37.2 Ma Eocene
Hyracodon genus	Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : *Hyracodon*	40.4 - 37.2 Ma Eocene
Triplopus genus	Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : *Triplopus*	46.2 - 40.4 Ma Eocene
Rhinocerotidae family	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae	10.3 - 4.9 Ma Neogene
Trigonias genus	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : *Trigonias*	40.4 - 37.2 Ma Eocene
Protoreodon pumilus species	Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : Protoreodon : *Protoreodon pumilus*	40.4 - 37.2 Ma Eocene
Aguafriamys raineyi species	Animalia : Chordata : Mammalia : Rodentia : Eomyidae : Aguafriamys : *Aguafriamys raineyi*	40.4 - 37.2 Ma Eocene
Alphadon halleyi species	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Alphadon : *Alphadon halleyi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Amynodontopsis bodei species	Animalia : Chordata : Mammalia : Perissodactyla : Amynodontidae : Amynodontopsis : *Amynodontopsis bodei*	40.4 - 37.2 Ma Eocene
Archaeolagus acaricolus species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Archaeolagus : *Archaeolagus acaricolus*	24.8 - 20.43 Ma Cenozoic
Archaeolagus buangulus species	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Archaeolagus : *Archaeolagus buangulus*	24.8 - 20.43 Ma Cenozoic
Arctocyon mumak species	Animalia : Chordata : Mammalia : Arctocyonidae : Arctocyon : *Arctocyon mumak*	61.7 - 56.8 Ma Paleocene
Microsyops annectens species	Animalia : Chordata : Mammalia : Primates : Microsyopidae : Microsyops : *Microsyops annectens*	46.2 - 40.4 Ma Eocene
Brachyerix hibbardi species	Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Brachyerix : *Brachyerix hibbardi*	24.8 - 20.43 Ma Cenozoic
Caenolambda jepseni species	Animalia : Chordata : Mammalia : Pantolambdidae : Caenolambda : *Caenolambda jepseni*	61.7 - 50.3 Ma Paleogene
Epicyon haydeni species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Epicyon : *Epicyon haydeni*	10.3 - 4.9 Ma Neogene
Chiromyoides minor species	Animalia : Chordata : Mammalia : Primates : Plesiadapidae : Chiromyoides : *Chiromyoides minor*	61.7 - 56.8 Ma Paleocene
Chiromyoides potior species	Animalia : Chordata : Mammalia : Primates : Plesiadapidae : Chiromyoides : *Chiromyoides potior*	61.7 - 56.8 Ma Paleocene
Delahomeryx browni species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Delahomeryx : *Delahomeryx browni*	24.8 - 20.43 Ma Cenozoic
Chriacus baldwini species	Animalia : Chordata : Mammalia : Arctocyonidae : Chriacus : *Chriacus baldwini*	61.7 - 56.8 Ma Paleocene
Scenopagus edenensis species	Animalia : Chordata : Mammalia : Macroscelidea : Amphilemuridae : Scenopagus : *Scenopagus edenensis*	46.2 - 40.4 Ma Eocene
Protitanotherium emarginatum species	Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Protitanotherium : *Protitanotherium emarginatum*	46.2 - 40.4 Ma Eocene
Elotherium lentus species	Animalia : Chordata : Mammalia : Artiodactyla : Helohyidae : Helohyus : *Elotherium lentus*	50.3 - 46.2 Ma Eocene
Gregorymys riograndensis species	Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Gregorymys : *Gregorymys riograndensis*	24.8 - 20.43 Ma Cenozoic
Haplaletes disceptatrix species	Animalia : Chordata : Mammalia : Hyopsodontidae : Haplaletes : *Haplaletes disceptatrix*	61.7 - 56.8 Ma Paleocene
Peratherium marsupium species	Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae : Peratherium : *Peratherium marsupium*	46.2 - 40.4 Ma Eocene
Hyaenodon vetus species	Animalia : Chordata : Mammalia : Hyaenodontidae : Hyaenodon : *Hyaenodon vetus*	40.4 - 37.2 Ma Eocene
Promioclaenus acolytus species	Animalia : Chordata : Mammalia : Condylarthra : Hyopsodontidae : Promioclaenus : *Promioclaenus acolytus*	63.3 - 61.7 Ma Paleocene
Hyopsodus paulus species	Animalia : Chordata : Mammalia : Hyopsodontidae : Hyopsodus : *Hyopsodus paulus*	46.2 - 40.4 Ma Eocene
Hyopsodus wortmani species	Animalia : Chordata : Mammalia : Hyopsodontidae : Hyopsodus : *Hyopsodus wortmani*	55.8 - 50.3 Ma Eocene
Hypertragulus heikeni species	Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : Hypertragulus : *Hypertragulus heikeni*	40.4 - 37.2 Ma Eocene
Nanotragulus ordinatus species	Animalia : Chordata : Mammalia : Artiodactyla : Hypertragulidae : Nanotragulus : *Nanotragulus ordinatus*	24.8 - 20.43 Ma Cenozoic
Ustatochoerus leptoscelos species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Ustatochoerus : *Ustatochoerus leptoscelos*	30.8 - 20.43 Ma Cenozoic
Triplopus implicatus species	Animalia : Chordata : Mammalia : Perissodactyla : Hyracodontidae : Triplopus : *Triplopus implicatus*	46.2 - 40.4 Ma Eocene
Ignacius frugivorus species	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Ignacius : *Ignacius frugivorus*	61.7 - 56.8 Ma Paleocene
Mixodectes malaris species	Animalia : Chordata : Mammalia : Insectivora : Mixodectidae : Mixodectes : *Mixodectes malaris*	61.7 - 56.8 Ma Paleocene
Lambertocyon eximius species	Animalia : Chordata : Mammalia : Arctocyonidae : Lambertocyon : *Lambertocyon eximius*	61.7 - 56.8 Ma Paleocene
Leptoreodon major species	Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Leptoreodon : *Leptoreodon major*	46.2 - 40.4 Ma Eocene
Leptoreodon marshi species	Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Leptoreodon : *Leptoreodon marshi*	46.2 - 40.4 Ma Eocene
Leptoreodon pusillus species	Animalia : Chordata : Mammalia : Artiodactyla : Protoceratidae : Leptoreodon : *Leptoreodon pusillus*	46.2 - 40.4 Ma Eocene
Mytonomys coelumensis species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Mytonomys : *Mytonomys coelumensis*	40.4 - 37.2 Ma Eocene
Hyrachyus modestus species	Animalia : Chordata : Mammalia : Perissodactyla : Hyrachyidae : Hyrachyus : *Hyrachyus modestus*	50.3 - 40.4 Ma Eocene
Hyracotherium vasacciense species	Animalia : Chordata : Mammalia : Perissodactyla : Palaeotheriidae : Hyracotherium : *Hyracotherium vasacciense*	55.8 - 50.3 Ma Eocene
Machairodus catocopis species	Animalia : Chordata : Mammalia : Carnivora : Felidae : Machairodus : *Machairodus catocopis*	10.3 - 4.9 Ma Neogene
Mahgarita stevensi species	Animalia : Chordata : Mammalia : Primates : Mahgarita : *Mahgarita stevensi*	40.4 - 37.2 Ma Eocene
Merychyus calaminthus species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merychyus : *Merychyus calaminthus*	30.8 - 20.43 Ma Cenozoic
Paramerychyus harrisonensis species	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Paramerychyus : *Paramerychyus harrisonensis*	24.8 - 20.43 Ma Cenozoic
Mesodma pygmaea species	Animalia : Chordata : Mammalia : Ptilodontidae : Mesodma : *Mesodma pygmaea*	61.7 - 56.8 Ma Paleocene
Mesodma thompsoni species	Animalia : Chordata : Mammalia : Ptilodontidae : Mesodma : *Mesodma thompsoni*	66 - 63.3 Ma Paleocene
Coryphodon armatus species	Animalia : Chordata : Mammalia : Cimolesta : Coryphodontidae : Coryphodon : *Coryphodon armatus*	55.8 - 50.3 Ma Eocene
Metamynodon mckinneyi species	Animalia : Chordata : Mammalia : Perissodactyla : Amynodontidae : Metamynodon : *Metamynodon mckinneyi*	46.2 - 40.4 Ma Eocene
Ourayia uintensis species	Animalia : Chordata : Mammalia : Primates : Omomyidae : Ourayia : *Ourayia uintensis*	46.2 - 40.4 Ma Eocene
Haploconus angustus species	Animalia : Chordata : Mammalia : Ungulata : Periptychidae : Haploconus : *Haploconus angustus*	66 - 63.3 Ma Paleocene
Mioclaenus opisthacus species	Animalia : Chordata : Mammalia : Mioclaenidae : Mioclaenus : *Mioclaenus opisthacus*	61.7 - 56.8 Ma Paleocene
Pareumys boskeyi species	Animalia : Chordata : Mammalia : Rodentia : Cylindrodontidae : Pareumys : *Pareumys boskeyi*	46.2 - 40.4 Ma Eocene
Navajovius kohlhaasae species	Animalia : Chordata : Mammalia : Primates : Microsyopidae : Navajovius : *Navajovius kohlhaasae*	61.7 - 56.8 Ma Paleocene
Colpoclaenus procyonoides species	Animalia : Chordata : Mammalia : Arctocyonidae : Colpoclaenus : *Colpoclaenus procyonoides*	61.7 - 55.8 Ma Paleogene
Notharctus tenebrosus species	Animalia : Chordata : Mammalia : Primates : Notharctidae : Notharctus : *Notharctus tenebrosus*	46.2 - 40.4 Ma Eocene
Phlaocyon annectens species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Phlaocyon : *Phlaocyon annectens*	24.8 - 20.43 Ma Cenozoic
Nannodectes gidleyi species	Animalia : Chordata : Mammalia : Primates : Plesiadapidae : Nannodectes : *Nannodectes gidleyi*	61.7 - 56.8 Ma Paleocene
Omomys carteri species	Animalia : Chordata : Mammalia : Primates : Tarsiidae : Omomys : *Omomys carteri*	46.2 - 40.4 Ma Eocene
Minippus index species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Minippus : *Minippus index*	55.8 - 50.3 Ma Eocene
Michenia exilis species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Michenia : *Michenia exilis*	30.8 - 20.43 Ma Cenozoic
Palaechthon woodi species	Animalia : Chordata : Mammalia : Primates : Palaechthonidae : Palaechthon : *Palaechthon woodi*	61.7 - 56.8 Ma Paleocene
Paleotomus senior species	Animalia : Chordata : Mammalia : Cimolesta : Cimolestidae : Paleotomus : *Paleotomus senior*	63.3 - 61.7 Ma Paleocene
Parahyus vagus species	Animalia : Chordata : Mammalia : Artiodactyla : Helohyidae : Parahyus : *Parahyus vagus*	46.2 - 40.4 Ma Eocene
Paramys excavatus species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Paramys : *Paramys excavatus*	55.8 - 50.3 Ma Eocene
Microparamys minutus species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Microparamys : *Microparamys minutus*	46.2 - 40.4 Ma Eocene
Parectypodus sloani species	Animalia : Chordata : Mammalia : Ptilodontidae : Parectypodus : *Parectypodus sloani*	61.7 - 56.8 Ma Paleocene
Pauromys texensis species	Animalia : Chordata : Mammalia : Rodentia : Sciuravidae : Pauromys : *Pauromys texensis*	46.2 - 40.4 Ma Eocene
Peratherium comstocki species	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Peratherium : *Peratherium comstocki*	46.2 - 40.4 Ma Eocene
Periptychus carinidens species	Animalia : Chordata : Mammalia : Periptychidae : Periptychus : *Periptychus carinidens*	63.3 - 56.8 Ma Paleocene
Phenacodus bisonensis species	Animalia : Chordata : Mammalia : Phenacodontidae : Phenacodus : *Phenacodus bisonensis*	61.7 - 56.8 Ma Paleocene
Phenacodus grangeri species	Animalia : Chordata : Mammalia : Phenacodontidae : Phenacodus : *Phenacodus grangeri*	63.3 - 56.8 Ma Paleocene
Phenacodus matthewi species	Animalia : Chordata : Mammalia : Phenacodontidae : Phenacodus : *Phenacodus matthewi*	63.3 - 56.8 Ma Paleocene
Simidectes magnus species	Animalia : Chordata : Mammalia : Acreodi : Simidectes : *Simidectes magnus*	40.4 - 37.2 Ma Eocene
Priscocamelus wilsoni species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Priscocamelus : *Priscocamelus wilsoni*	24.8 - 20.43 Ma Cenozoic
Miocyon scotti species	Animalia : Chordata : Mammalia : Carnivora : Miacidae : Miocyon : *Miocyon scotti*	46.2 - 40.4 Ma Eocene
Prolapsus junctionis species	Animalia : Chordata : Mammalia : Rodentia : Parapedetidae : Prolapsus : *Prolapsus junctionis*	46.2 - 40.4 Ma Eocene
Prolapsus sibilatoris species	Animalia : Chordata : Mammalia : Rodentia : Parapedetidae : Prolapsus : *Prolapsus sibilatoris*	46.2 - 40.4 Ma Eocene
Mytonomys robustus species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Mytonomys : *Mytonomys robustus*	40.4 - 37.2 Ma Eocene
Protoreodon petersoni species	Animalia : Chordata : Mammalia : Artiodactyla : Agriochoeridae : Protoreodon : *Protoreodon petersoni*	40.4 - 37.2 Ma Eocene
Psittacotherium multifragum species	Animalia : Chordata : Mammalia : Stylinodontidae : Psittacotherium : *Psittacotherium multifragum*	61.7 - 56.8 Ma Paleocene
Baiotomeus douglassi species	Animalia : Chordata : Mammalia : Multituberculata : Ptilodontidae : Baiotomeus : *Baiotomeus douglassi*	61.7 - 56.8 Ma Paleocene
Ptilodus mediaevus species	Animalia : Chordata : Mammalia : Ptilodontidae : Ptilodus : *Ptilodus mediaevus*	63.3 - 56.8 Ma Paleocene
Similisciurus maxwelli species	Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Similisciurus : *Similisciurus maxwelli*	24.8 - 20.43 Ma Cenozoic
Sinopa major species	Animalia : Chordata : Mammalia : Hyaenodontidae : Sinopa : *Sinopa major*	46.2 - 40.4 Ma Eocene
Duchesneodus uintensis species	Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Duchesneodus : *Duchesneodus uintensis*	40.4 - 37.2 Ma Eocene
Paraenhydrocyon wallovianus species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Paraenhydrocyon : *Paraenhydrocyon wallovianus*	24.8 - 20.43 Ma Cenozoic
Thisbemys corrugatus species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Thisbemys : *Thisbemys corrugatus*	46.2 - 40.4 Ma Eocene
Titanoides gidleyi species	Animalia : Chordata : Mammalia : Titanoideidae : Titanoides : *Titanoides gidleyi*	61.7 - 56.8 Ma Paleocene
Uintatherium anceps species	Animalia : Chordata : Mammalia : Dinocerata : Uintatheriidae : Uintatherium : *Uintatherium anceps*	46.2 - 40.4 Ma Eocene
Agujaceratops mariscalensis species	Animalia : Chordata : Ornithischia : Ceratopsidae : Agujaceratops : *Agujaceratops mariscalensis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Dinosauria order	Animalia : Chordata : Reptilia : Dinosauria	83.6 - 66 Ma Late/Upper Cretaceous
Brachychampsa genus	Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : *Brachychampsa*	83.5 - 70.6 Ma Late/Upper Cretaceous
Eusuchia suborder	Animalia : Chordata : Reptilia : Eosuchia : Eusuchia	46.2 - 40.4 Ma Eocene
Kritosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae : *Kritosaurus*	83.5 - 66 Ma Late/Upper Cretaceous
Caudata order	Animalia : Chordata : Amphibia : Caudata	83.5 - 70.6 Ma Late/Upper Cretaceous
Hadrosaurinae subfamily	Animalia : Chordata : Ornithischia : Hadrosauridae : Hadrosaurinae	83.5 - 66 Ma Late/Upper Cretaceous
Saurolophinae subfamily	Animalia : Chordata : Ornithischia : Hadrosauridae : Saurolophinae	83.5 - 66 Ma Late/Upper Cretaceous
Lambeosaurinae subfamily	Animalia : Chordata : Ornithischia : Hadrosauridae : Lambeosaurinae	83.5 - 66 Ma Late/Upper Cretaceous
Carnosauria unranked clade	Animalia : Chordata : Saurischia : Avetheropoda : Carnosauria	83.5 - 70.6 Ma Late/Upper Cretaceous
Plantae kingdom	Plantae	83.5 - 70.6 Ma Late/Upper Cretaceous
Saurornitholestes langstoni species	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Saurornitholestes : *Saurornitholestes langstoni*	83.5 - 66 Ma Late/Upper Cretaceous
Alnus genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Betulaceae : *Alnus*	72.1 - 66 Ma Late/Upper Cretaceous
Liquidambar genus	Plantae : Tracheophyta : Magnoliopsida : Saxifragales : Altingiaceae : *Liquidambar*	72.1 - 66 Ma Late/Upper Cretaceous
Nyssa genus	Plantae : Tracheophyta : Magnoliopsida : Cornales : Nyssaceae : *Nyssa*	72.1 - 66 Ma Late/Upper Cretaceous
Tyrannosaurus rex species	Animalia : Chordata : Reptilia : Dinosauria : Tyrannosauridae : Tyrannosaurus : *Tyrannosaurus rex*	72.1 - 66 Ma Late/Upper Cretaceous
Charophyta phylum	Plantae : Charophyta	70.6 - 66 Ma Late/Upper Cretaceous
Tracheophyta phylum	Plantae : Tracheophyta	72.1 - 66 Ma Late/Upper Cretaceous
Titanosauria unranked clade	Animalia : Chordata : Saurischia : Titanosauria	72.1 - 66 Ma Late/Upper Cretaceous
Martinogale chisoensis species	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Martinogale : *Martinogale chisoensis*	10.3 - 4.9 Ma Neogene
Goniopholididae family	Animalia : Chordata : Reptilia : Crocodylia : Goniopholididae	83.5 - 70.6 Ma Late/Upper Cretaceous
Amiidae family	Animalia : Chordata : Actinopterygii : Amiiformes : Amiidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Scincomorpha infraorder	Animalia : Chordata : Reptilia : Squamata : Scincomorpha	83.5 - 70.6 Ma Late/Upper Cretaceous
Paramyidae family	Animalia : Chordata : Mammalia : Rodentia : Paramyidae	46.2 - 40.4 Ma Eocene
Glyptosaurinae subfamily	Animalia : Chordata : Reptilia : Squamata : Anguidae : Glyptosaurinae	83.5 - 70.6 Ma Late/Upper Cretaceous
Melvius genus	Animalia : Chordata : Actinopteri : Amiiformes : Amiidae : *Melvius*	83.5 - 70.6 Ma Late/Upper Cretaceous
Richardoestesia genus	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : *Richardoestesia*	83.5 - 70.6 Ma Late/Upper Cretaceous
Richardoestesia gilmorei species	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : Richardoestesia : *Richardoestesia gilmorei*	83.5 - 70.6 Ma Late/Upper Cretaceous
Richardoestesia isosceles species	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : Richardoestesia : *Richardoestesia isosceles*	83.5 - 66 Ma Late/Upper Cretaceous
Lepisosteidae family	Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae	83.5 - 66 Ma Late/Upper Cretaceous
Phyllodontidae family	Animalia : Chordata : Actinopteri : Elopiformes : Phyllodontidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Albanerpetontidae family	Animalia : Chordata : Amphibia : Gymnophiona : Albanerpetontidae	83.5 - 66 Ma Late/Upper Cretaceous
Alamosaurus sanjuanensis species	Animalia : Chordata : Reptilia : Dinosauria : Saltasauridae : Alamosaurus : *Alamosaurus sanjuanensis*	72.1 - 66 Ma Late/Upper Cretaceous
Torosaurus utahensis species	Animalia : Chordata : Ornithischia : Ceratopsidae : Torosaurus : *Torosaurus utahensis*	72.1 - 66 Ma Late/Upper Cretaceous
Dasyatidae family	Animalia : Chordata : Elasmobranchii : Myliobatiformes : Dasyatidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Edmontonia genus	Animalia : Chordata : Ornithischia : Nodosauridae : *Edmontonia*	83.5 - 70.6 Ma Late/Upper Cretaceous
Hipparionini tribe	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hipparionini	10.3 - 4.9 Ma Neogene
Equini tribe	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equini	10.3 - 4.9 Ma Neogene
Hadrosauria unranked clade	Animalia : Chordata : Ornithischia : Hadrosauria	83.5 - 70.6 Ma Late/Upper Cretaceous
Bothremydidae family	Animalia : Chordata : Reptilia : Testudines : Bothremydidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Continuoolithus genus	Animalia : Chordata : Saurischia : Elongatoolithidae : *Continuoolithus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Helopanoplia genus	Animalia : Chordata : Reptilia : Testudines : Trionychidae : *Helopanoplia*	83.5 - 70.6 Ma Late/Upper Cretaceous
Squatirhina americana species	Animalia : Chordata : Chondrichthyes : Orectolobiformes : Orectolobidae : Squatirhina : *Squatirhina americana*	83.5 - 70.6 Ma Late/Upper Cretaceous
Lonchidion selachos species	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Lonchidiidae : Lonchidion : *Lonchidion selachos*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ischyrhiza avonicola species	Animalia : Chordata : Chondrichthyes : Sclerorhynchiformes : Sclerorhynchidae : Ischyrhiza : *Ischyrhiza avonicola*	83.5 - 70.6 Ma Late/Upper Cretaceous
Lithostrotia unranked clade	Animalia : Chordata : Saurischia : Lithostrotia	70.6 - 66 Ma Late/Upper Cretaceous
Porituberoolithus genus	Animalia : Chordata : Saurischia : Elongatoolithidae : *Porituberoolithus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ophiomorpha genus	*Ophiomorpha*	83.5 - 70.6 Ma Late/Upper Cretaceous
Onchopristis genus	Animalia : Chordata : Chondrichthyes : Rhinopristiformes : Pristidae : *Onchopristis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Anura order	Animalia : Chordata : Osteichthyes : Anura	66 - 63.3 Ma Paleocene
Phenacolemurinae subfamily	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Phenacolemurinae	55.8 - 50.3 Ma Eocene
Deinosuchus rugosus species	Animalia : Chordata : Reptilia : Crocodylia : Deinosuchus : *Deinosuchus rugosus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Archaeolaginae subfamily	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Archaeolaginae	10.3 - 4.9 Ma Neogene
Testudinata unranked clade	Animalia : Chordata : Reptilia : Testudinata	72.1 - 66 Ma Late/Upper Cretaceous
Borealosuchus genus	Animalia : Chordata : Reptilia : Crocodylia : *Borealosuchus*	61.7 - 46.2 Ma Paleogene
Boverisuchus vorax species	Animalia : Chordata : Reptilia : Crocodylia : Planocraniidae : Boverisuchus : *Boverisuchus vorax*	46.2 - 40.4 Ma Eocene
Agujaceratops genus	Animalia : Chordata : Ornithischia : Ceratopsidae : *Agujaceratops*	83.5 - 66 Ma Late/Upper Cretaceous
Scapanorhynchus texanus species	Animalia : Chordata : Chondrichthyes : Lamniformes : Mitsukurinidae : Scapanorhynchus : *Scapanorhynchus texanus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Microparamyinae subfamily	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Microparamyinae	46.2 - 40.4 Ma Eocene
Quetzalcoatlus northropi species	Animalia : Chordata : Reptilia : Pterosauria : Azhdarchidae : Quetzalcoatlus : *Quetzalcoatlus northropi*	70.6 - 66 Ma Late/Upper Cretaceous
Saurornitholestinae subfamily	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : Saurornitholestinae	83.5 - 66 Ma Late/Upper Cretaceous
Budaiceras alticarinatum species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Lyelliceratidae : Budaiceras : *Budaiceras alticarinatum*	99.6 - 93.5 Ma Late/Upper Cretaceous
Angulomastacator daviesi species	Animalia : Chordata : Ornithischia : Hadrosauridae : Angulomastacator : *Angulomastacator daviesi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Terlinguachelys fischbecki species	Animalia : Chordata : Reptilia : Testudines : Protostegidae : Terlinguachelys : *Terlinguachelys fischbecki*	83.5 - 70.6 Ma Late/Upper Cretaceous
Onchopristis dunklei species	Animalia : Chordata : Chondrichthyes : Rhinopristiformes : Pristidae : Onchopristis : *Onchopristis dunklei*	83.5 - 70.6 Ma Late/Upper Cretaceous
Heteromyinae subfamily	Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Heteromyinae	10.3 - 4.9 Ma Neogene
Metatheria subclass	Animalia : Chordata : Mammalia : Metatheria	83.5 - 70.6 Ma Late/Upper Cretaceous
Miocyon vallisrubrae species	Animalia : Chordata : Mammalia : Carnivora : Miacidae : Miocyon : *Miocyon vallisrubrae*	46.2 - 40.4 Ma Eocene
Deinosuchus riograndensis species	Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Deinosuchus : *Deinosuchus riograndensis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Globidonta unranked clade	Animalia : Chordata : Reptilia : Crocodylia : Globidonta	46.2 - 40.4 Ma Eocene
Chupacabrachelys complexus species	Animalia : Chordata : Reptilia : Testudines : Bothremydidae : Chupacabrachelys : *Chupacabrachelys complexus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Bravoceratops polyphemus species	Animalia : Chordata : Ornithischia : Ceratopsidae : Bravoceratops : *Bravoceratops polyphemus*	83.5 - 66 Ma Late/Upper Cretaceous
Anacolosidites genus	Plantae : Tracheophyta : Magnoliopsida : Santalales : *Anacolosidites*	72.1 - 66 Ma Late/Upper Cretaceous
Selaginella genus	Plantae : Tracheophyta : Lycopodiopsida : Selaginellales : Selaginellaceae : *Selaginella*	72.1 - 66 Ma Late/Upper Cretaceous
Heloderma texana species	Animalia : Chordata : Reptilia : Squamata : Helodermatidae : Heloderma : *Heloderma texana*	24.8 - 20.43 Ma Cenozoic
Gryposaurus alsatei species	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae : Gryposaurus : *Gryposaurus alsatei*	70.6 - 66 Ma Late/Upper Cretaceous
Lysinoe breedlovei species	Animalia : Mollusca : Gastropoda : Stylommatophora : Xanthonychidae : Lysinoe : *Lysinoe breedlovei*	40.4 - 37.2 Ma Eocene

Fossil Localities

Click to show 66 fossil localities

USA

Texas
- Brewster County
  - Paleogene🐚 1 mile southwest of Glenn Springs
  - Late/Upper Cretaceous🐚 1.5 miles south of Wax Works
  - Late/Upper Cretaceous🐚 12 miles west of Glenn Springs
  - Late/Upper Cretaceous🐚 Amaral site
  - Late/Upper Cretaceous🐚 AMNH No. 3
  - Late/Upper Cretaceous🐚 AMNH No. 7
  - Late/Upper Cretaceous🐚 BB-II-38
  - Late/Upper Cretaceous🐚 Black Peaks
  - Eocene🐚 Canoe
  - Cenozoic🐚 Castolon
  - Late/Upper Cretaceous🐚 Dagger Flat
  - Late/Upper Cretaceous🐚 Dripping Springs
  - Late/Upper Cretaceous🐚 east of Fresno Creek
  - Paleocene🐚 Eastern Tornillo Flat
  - Eocene🐚 Grapevine Spring
  - Eocene🐚 Hannold Hill
  - Late/Upper Cretaceous🐚 Hippiewalk
  - Late/Upper Cretaceous🐚 Lone Mountain
  - Late/Upper Cretaceous🐚 LSUMG 113
  - Late/Upper Cretaceous🐚 LSUMG 140
  - Late/Upper Cretaceous🐚 LSUMG 229
  - Late/Upper Cretaceous🐚 LSUMG 741
  - Late/Upper Cretaceous🐚 McKinney Hills
  - Late/Upper Cretaceous🐚 McKinney Spring
  - Late/Upper Cretaceous🐚 near Rattlesnake Mountain
  - Eocene🐚 Oil House
  - Late/Upper Cretaceous🐚 Panther Junction
  - Paleocene🐚 Ray's Bonebed
  - Late/Upper Cretaceous🐚 Rough Run Amphitheater

USA

Texas
- Brewster County
  - Late/Upper Cretaceous🐚 Rough Run Amphitheater
  - Late/Upper Cretaceous🐚 San Vicente
  - Neogene🐚 Screw Bean
  - Late/Upper Cretaceous🐚 south of Dawson Creek
  - Late/Upper Cretaceous🐚 south of Glenn Spring
  - Eocene🐚 T. T.
  - Phanerozoic🐚 Talley Mountain
  - Late/Upper Cretaceous🐚 TMM 40610
  - Late/Upper Cretaceous🐚 TMM 41436
  - Late/Upper Cretaceous🐚 TMM 41442
  - Late/Upper Cretaceous🐚 TMM 41917/41918
  - Late/Upper Cretaceous🐚 TMM 42303
  - Late/Upper Cretaceous🐚 TMM 42324
  - Late/Upper Cretaceous🐚 TMM 42334
  - Late/Upper Cretaceous🐚 TMM 42335
  - Late/Upper Cretaceous🐚 TMM 42534
  - Late/Upper Cretaceous🐚 TMM 43072
  - Late/Upper Cretaceous🐚 TMM 43621
  - Late/Upper Cretaceous🐚 TMM 43681
  - Late/Upper Cretaceous🐚 TMM 44068 Maverick Road
  - Late/Upper Cretaceous🐚 TMM 45603
  - Late/Upper Cretaceous🐚 Tornillo Flats
  - Late/Upper Cretaceous🐚 TTU Loc. IV
  - Late/Upper Cretaceous🐚 Tule Mountain
  - Paleogene🐚 West Tornillo Flat
  - Eocene🐚 White Amphitheater
  - Late/Upper Cretaceous🐚 Windy City
  - Late/Upper Cretaceous🐚 WL 326
  - Late/Upper Cretaceous🐚 WL 350
  - Late/Upper Cretaceous🐚 WL 445
  - Late/Upper Cretaceous🐚 WPA Quarry L1
  - Late/Upper Cretaceous🐚 WPA Quarry L2
  - Late/Upper Cretaceous🐚 WPA Quarry L3

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Gray, J.E., and Page, W.R., eds., (2008) Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, 93 p.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Big_Bend_National_Park
Wikidata ID:	Q1427197
GeoNames ID:	5516970
Link to USGS MRDS:	10178292

External Links

https://www.nps.gov/bibe/index.htm

Localities in this Region

USA

Texas
- Brewster County
  - Big Bend National Park

USA

Texas
- Brewster County
  - Big Bend National Park

Other Regions, Features and Areas that Intersect

Mexico

Sierra Madre OrientalSierra

North America PlateTectonic Plate

Sabine DomainDomain

USA

Texas
- Terlingua Mining DistrictMining District

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Big Bend National Park, Brewster County, Texas, USA i
Regional Level Types
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