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Mancos Shale, USA

FormationMancos Shale
Member(s)Bridge Creek
Bridge Creek Limestone
Buck Tongue
Carlile
D-Cross
El Vado
Ferron Sandstone
Hopi Sandstone
Juana Lopez
lower shale
middle shale
Prairie Canyon
Rio Salado
Rio Salado Tongue
Semilla Sandstone
Tres Hermanos
upper shale
Age:83.5 - 70.6 Ma
Late/Upper Cretaceous
IntervalCenomanian
Tectonic SettingCratonic basin
Lithologyshale, siltstone, "limestone", sandstone, "siliciclastic", "shale"/"carbonate", "shale"/"limestone", marl, "shale"/siltstone, sandstone/"shale", sandstone/claystone
Number of Collections186
Number of Occurrences940

Recorded Sample Locations

LocationRegionStratigraphic Name
Yale PointApache County, Arizona, USAMancos Shale
Blue PointCoconino County, Arizona, USAMancos Shale
Holy Ghost SpringSandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
CedaredgeDelta County, Colorado, USAMancos Shale - Prairie Canyon
MWC Loc. 12.00.86Garfield County, Colorado, USAMancos Shale
MNA Loc 262: Bed 21Coconino County, Arizona, USAMancos Shale
MNA Loc. 271: BM 10Coconino County, Arizona, USAMancos Shale
MNA Loc. 813: 1 m below BM 15Coconino County, Arizona, USAMancos Shale
MNA Loc. 303: BM 8Coconino County, Arizona, USAMancos Shale
MNA Loc. 989: 7 m above BM 77Apache County, Arizona, USAMancos Shale - upper shale
MNA Loc. 306: BM 10Apache County, Arizona, USAMancos Shale
MNA Loc. 992: BM 4Apache County, Arizona, USAMancos Shale - lower shale
MNA Loc. 236: BM 10Apache County, Arizona, USAMancos Shale - lower shale
MNA Loc. 254: BM 10Apache County, Arizona, USAMancos Shale - lower shale
MNA Loc 296: BM 4Apache County, Arizona, USAMancos Shale - lower shale
MNA Loc. 298: BM 8Navajo County, Arizona, USAMancos Shale - lower shale
MNA Loc. 305: BM 12Coconino County, Arizona, USAMancos Shale
MNA Loc. 324: BM 10Coconino County, Arizona, USAMancos Shale - lower shale
MNA Loc. 304: BM 10Coconino County, Arizona, USAMancos Shale
MNA Loc. 387: BM 10Navajo County, Arizona, USAMancos Shale
MNA Loc. 814: BM 10Coconino County, Arizona, USAMancos Shale
MNA Loc. 990: BM 4Navajo County, Arizona, USAMancos Shale
MNA Loc. 342: Toreva lower sandstoneCoconino County, Arizona, USAMancos Shale - upper shale
MNA Loc. 344: shale faciesCoconino County, Arizona, USAMancos Shale - upper shale
MNA Loc 338: basal MancosNavajo County, Arizona, USAMancos Shale - lower shale
USGS Mesozoic 15947Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D2055Cibola County, New Mexico, USAMancos Shale - D-Cross
USGS Mesozoic D2042Socorro County, New Mexico, USAMancos Shale - Tres Hermanos
USGS Mesozoic D5773Socorro County, New Mexico, USAMancos Shale - Tres Hermanos
USGS Mesozoic D10260Socorro County, New Mexico, USAMancos Shale
USGS Mesozoic D3670Sandoval County, New Mexico, USAMancos Shale
USGS 14699Rio Blanco County, Colorado, USAMancos Shale
La Ventana Ichthyornis Sandoval County, New Mexico, USAMancos Shale - Juana Lopez
USGS Loc. M11711Moffat County, Colorado, USAMancos Shale
USGS Loc. D11208Cibola County, New Mexico, USAMancos Shale
USGS Loc. D11560Cibola County, New Mexico, USAMancos Shale - Rio Salado Tongue
USGS Mesozoic D11708Cibola County, New Mexico, USAMancos Shale - Rio Salado Tongue
USGS Loc. D10120Sierra County, New Mexico, USAMancos Shale
USGS D2495Doña Ana County, New Mexico, USAMancos Shale
USGS Loc. D12671Doña Ana County, New Mexico, USAMancos Shale
East of Oak SpringSevier County, Utah, USAMancos Shale
USGS Mesozoic 28873Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Loc. 28875Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic D10258Socorro County, New Mexico, USAMancos Shale - Rio Salado Tongue
USGS Loc. D10256Socorro County, New Mexico, USAMancos Shale - Rio Salado Tongue
USGS D10851San Juan County, New Mexico, USAMancos Shale
USGS D3648Santa Fe County, New Mexico, USAMancos Shale
USGS D8282Sandoval County, New Mexico, USAMancos Shale
USGS D12987Emery County, Utah, USAMancos Shale
HenrievilleGarfield County, Utah, USAMancos Shale
NMNH Loc. 8286Grant County, New Mexico, USAMancos Shale
7 mi. north of Green RiverEmery County, Utah, USAMancos Shale - Buck Tongue
NMMNH 5334Socorro County, New Mexico, USAMancos Shale - D-Cross
NMMNH 8029Sandoval County, New Mexico, USAMancos Shale - Carlile
NMMNH 7506Sandoval County, New Mexico, USAMancos Shale - Juana Lopez
USGS Mesozoic D12052Supai Salt Basin, Arizona, USAMancos Shale - Rio Salado
USGS Mesozoic D5780Socorro County, New Mexico, USAMancos Shale - Bridge Creek
USGS Mesozoic D5777Socorro County, New Mexico, USAMancos Shale
USGS Mesozoic D7092Navajo County, Arizona, USAMancos Shale
USGS Mesozoic D7084Cibola County, New Mexico, USAMancos Shale
USGS Mesozoic D5784Socorro County, New Mexico, USAMancos Shale
USGS Mesozoic D5795Socorro County, New Mexico, USAMancos Shale
USGS Mesozoic D5776Socorro County, New Mexico, USAMancos Shale
USGS Mesozoic D5810Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D11587Coconino County, Arizona, USAMancos Shale
USGS Mesozoic D11264McKinley County, New Mexico, USAMancos Shale
USGS Mesozoic D6153McKinley County, New Mexico, USAMancos Shale
USGS Mesozoic D10606McKinley County, New Mexico, USAMancos Shale - Rio Salado
USGS Mesozoic D7324Bernalillo County, New Mexico, USAMancos Shale
USGS Mesozoic D11450Cibola County, New Mexico, USAMancos Shale - Rio Salado
USGS Mesozoic D11475Cibola County, New Mexico, USAMancos Shale - Rio Salado
USGS Mesozoic D6804Cibola County, New Mexico, USAMancos Shale - Rio Salado
USGS Mesozoic D11140McKinley County, New Mexico, USAMancos Shale - Rio Salado Tongue
USGS Mesozoic D11559Cibola County, New Mexico, USAMancos Shale - Rio Salado Tongue
USGS Mesozoic D10472Socorro County, New Mexico, USAMancos Shale - Rio Salado Tongue
USGS Mesozoic D10246Socorro County, New Mexico, USAMancos Shale
USGS Mesozoic D10643Lincoln County, New Mexico, USAMancos Shale
USGS Mesozoic D12681Lincoln County, New Mexico, USAMancos Shale
USGS Mesozoic D2078McKinley County, New Mexico, USAMancos Shale
USGS Mesozoic D10309Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D4020Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic D4021Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic 7992Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 16114Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D10575Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic 15925Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D10508Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 7191Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 7204Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 7983Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 15792Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 15795Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 15906Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 3520Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 3672Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 15797Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic 15799Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D10469Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D11476Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D12725Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D12727Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic D10307Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D3884Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic D10377Socorro County, New Mexico, USAMancos Shale
USGS Mesozoic 8336Socorro County, New Mexico, USAMancos Shale - Tres Hermanos
USGS Mesozoic D7076Socorro County, New Mexico, USAMancos Shale - Tres Hermanos
USGS Mesozoic D10356Socorro County, New Mexico, USAMancos Shale - Tres Hermanos
USGS Mesozoic D10630Socorro County, New Mexico, USAMancos Shale - Tres Hermanos
USGS Mesozoic D10622Sandoval County, New Mexico, USAMancos Shale - Juana Lopez
USGS Mesozoic 3702Sandoval County, New Mexico, USAMancos Shale - Juana Lopez
USGS Mesozoic D4016Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D4395Rio Arriba County, New Mexico, USAMancos Shale - Juana Lopez
USGS Mesozoic 17632Rio Arriba County, New Mexico, USAMancos Shale
USGS Mesozoic D10621Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic D4014Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic D4414Sandoval County, New Mexico, USAMancos Shale - Semilla Sandstone
USGS Mesozoic D4417Sandoval County, New Mexico, USAMancos Shale
USGS Mesozoic D10602Cibola County, New Mexico, USAMancos Shale
USGS Mesozoic D10321Cibola County, New Mexico, USAMancos Shale - D-Cross
USGS Mesozoic D10638Catron County, New Mexico, USAMancos Shale - D-Cross
USGS Mesozoic D7066Socorro County, New Mexico, USAMancos Shale - D-Cross
USGS Mesozoic 26203Catron County, New Mexico, USAMancos Shale - D-Cross
USGS Mesozoic D10636Chaves County, New Mexico, USAMancos Shale - Tres Hermanos
USGS Mesozoic D10644Chaves County, New Mexico, USAMancos Shale - Tres Hermanos
USGS Mesozoic D14488Socorro County, New Mexico, USAMancos Shale
Mangas SpringsGrant County, New Mexico, USAMancos Shale
UF 19462-69143 angiosperm woodGarfield County, Utah, USAMancos Shale - Ferron Sandstone
UF 19523Wayne County, Utah, USAMancos Shale - Ferron Sandstone
BMRP 2017Henry Mountains, Garfield County, Utah, USAMancos Shale - Ferron Sandstone
USGS D5798Socorro County, New Mexico, USAMancos Shale - Bridge Creek Limestone
USGS D6165McKinley County, New Mexico, USAMancos Shale
USGS D6212Sandoval County, New Mexico, USAMancos Shale
USGS D6793Cibola County, New Mexico, USAMancos Shale - Bridge Creek Limestone
USGS D6813Sierra County, New Mexico, USAMancos Shale

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Dakota - upper sandstone99.6 - 93.5 Ma
Late/Upper Cretaceous
sandstone/"shale", sandstone154
Dakota sandstone99.6 - 93.5 Ma
Late/Upper Cretaceous
ash, sandstone35
Iles83.5 - 70.6 Ma
Late/Upper Cretaceous
sandstone/"shale"4
Mancos Shale - Bridge Creek99.6 - 93.5 Ma
Late/Upper Cretaceous
limestone2
Mancos Shale - Bridge Creek Limestone99.6 - 93.5 Ma
Late/Upper Cretaceous
limestone4
Mancos Shale - Buck Tongue83.6 - 72.1 Ma
Late/Upper Cretaceous
1
Mancos Shale - Carlile93.5 - 89.3 Ma
Late/Upper Cretaceous
shale14
Mancos Shale - D-Cross93.5 - 89.3 Ma
Late/Upper Cretaceous
shale24
Mancos Shale - El Vado89.3 - 85.8 Ma
Late/Upper Cretaceous
shale1
Mancos Shale - Ferron Sandstone93.5 - 89.3 Ma
Late/Upper Cretaceous
sandstone, "shale"12
Mancos Shale - Hopi Sandstone93.5 - 89.3 Ma
Late/Upper Cretaceous
sandstone2
Mancos Shale - Juana Lopez93.5 - 89.3 Ma
Late/Upper Cretaceous
grainstone, "shale", "limestone", sandstone18
Mancos Shale - lower shale93.5 - 89.3 Ma
Late/Upper Cretaceous
shale/"carbonate", marl, "shale"/"limestone", "shale", "siliciclastic", "siliciclastic"/siltstone154
Mancos Shale - middle shale93.5 - 89.3 Ma
Late/Upper Cretaceous
shale28
Mancos Shale - Prairie Canyon83.5 - 70.6 Ma
Late/Upper Cretaceous
siltstone7
Mancos Shale - Rio Salado93.5 - 89.3 Ma
Late/Upper Cretaceous
shale, siltstone13
Mancos Shale - Rio Salado Tongue93.5 - 89.3 Ma
Late/Upper Cretaceous
shale, "limestone"30
Mancos Shale - Semilla Sandstone93.5 - 89.3 Ma
Late/Upper Cretaceous
sandstone62
Mancos Shale - Tres Hermanos93.5 - 89.3 Ma
Late/Upper Cretaceous
sandstone9
Mancos Shale - upper shale93.5 - 89.3 Ma
Late/Upper Cretaceous
siliciclastic, "shale", sandstone11
Toreva - lower sandstone93.5 - 89.3 Ma
Late/Upper Cretaceous
sandstone41
Tres Hermanos - Carthage93.5 - 89.3 Ma
Late/Upper Cretaceous
sandstone14
Tres Hermanos - Fite Ranch Sandstone93.5 - 89.3 Ma
Late/Upper Cretaceous
sandstone3
San Rafael - Nugget Sandstone - Bell Springs228 - 201 Ma
Mesozoic
siltstone/mudstone12

Recorded Fossils

Accepted NameHierarchyAge
Plantae
kingdom
1Plantae83.5 - 70.6 Ma
Late/Upper Cretaceous
Hypsodon sp.
genus
6Hypsodon86.3 - 83.6 Ma
Late/Upper Cretaceous
Mesostoma sp.
genus
6Mesostoma100.5 - 93.9 Ma
Late/Upper Cretaceous
Ophiomorpha sp.
genus
6Ophiomorpha93.5 - 89.3 Ma
Late/Upper Cretaceous
Rostellites sp.
genus
6Rostellites100.5 - 93.9 Ma
Late/Upper Cretaceous
Paraphyllanthoxylon sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Paraphyllanthoxylon93.9 - 89.8 Ma
Late/Upper Cretaceous
Serpula sp.
genus
6Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Serpula100.5 - 93.9 Ma
Late/Upper Cretaceous
Hamulus sp.
genus
6Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Hamulus100.5 - 93.9 Ma
Late/Upper Cretaceous
Protula sp.
genus
6Animalia : Annelida : Polychaeta : Sabellida : Serpulidae : Protula99.6 - 93.5 Ma
Late/Upper Cretaceous
Squilla sp.
genus
6Animalia : Arthropoda : Malacostraca : Stomatopoda : Squillidae : Squilla93.5 - 89.3 Ma
Late/Upper Cretaceous
Callianassa sp.
genus
6Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : Callianassa93.5 - 89.3 Ma
Late/Upper Cretaceous
Protocallianassa mortoni
species
7Animalia : Arthropoda : Malacostraca : Decapoda : Callianassidae : Protocallianassa : Protocallianassa mortoni93.5 - 89.3 Ma
Late/Upper Cretaceous
Cenomanocarcinus vanstraeleni
species
7Animalia : Arthropoda : Malacostraca : Decapoda : Cenomanocarcinidae : Cenomanocarcinus : Cenomanocarcinus vanstraeleni93.5 - 89.3 Ma
Late/Upper Cretaceous
Homarus sp.
genus
6Animalia : Arthropoda : Malacostraca : Decapoda : Nephropidae : Homarus93.5 - 89.3 Ma
Late/Upper Cretaceous
Linuparus grimmeri
species
7Animalia : Arthropoda : Malacostraca : Decapoda : Palinuridae : Linuparus : Linuparus grimmeri93.5 - 89.3 Ma
Late/Upper Cretaceous
Discinisca sp.
genus
6Animalia : Brachiopoda : Lingulata : Lingulida : Discinidae : Discinisca100.5 - 93.9 Ma
Late/Upper Cretaceous
Lingula sp.
genus
6Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : Lingula83.5 - 70.6 Ma
Late/Upper Cretaceous
Lingula nitida
species
7Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : Lingula : Lingula nitida93.9 - 89.8 Ma
Late/Upper Cretaceous
Ramphonotus sp.
genus
6Animalia : Bryozoa : Gymnolaemata : Cheilostomatida : Calloporidae : Ramphonotus99.6 - 93.5 Ma
Late/Upper Cretaceous
Echidnocephalus sp.
genus
6Animalia : Chordata : Actinopterygii : Notacanthiformes : Halosauridae : Echidnocephalus89.8 - 86.3 Ma
Late/Upper Cretaceous
Ichthyornis sp.
genus
6Animalia : Chordata : Aves : Ichthyornithidae : Ichthyornis93.5 - 89.3 Ma
Late/Upper Cretaceous
Squalicorax pristodontus
species
7Animalia : Chordata : Chondrichthyes : Lamniformes : Anacoracidae : Squalicorax : Squalicorax pristodontus83.5 - 70.6 Ma
Late/Upper Cretaceous
Cretodus sp.
genus
6Animalia : Chordata : Elasmobranchii : Lamniformes : Cretoxyrhinidae : Cretodus93.9 - 89.8 Ma
Late/Upper Cretaceous
Cretolamna sp.
genus
6Animalia : Chordata : Chondrichthyes : Lamniformes : Cretoxyrhinidae : Cretolamna83.5 - 70.6 Ma
Late/Upper Cretaceous
? no name ?
10093.5 - 89.3 Ma
Late/Upper Cretaceous
Isurus sp.
genus
6Animalia : Chordata : Elasmobranchii : Lamniformes : Lamnidae : Isurus89.8 - 86.3 Ma
Late/Upper Cretaceous
Hadrosauridae
family
5Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae83.6 - 72.1 Ma
Late/Upper Cretaceous
Hadrosaurinae
subfamily
5.3Animalia : Chordata : Ornithischia : Hadrosauridae : Hadrosaurinae83.5 - 70.6 Ma
Late/Upper Cretaceous
Plesiosauria
unranked clade
99Animalia : Chordata : Reptilia : Sauropterygia : Plesiosauria99.6 - 89.3 Ma
Late/Upper Cretaceous
Prognathodon sp.
genus
6Animalia : Chordata : Reptilia : Squamata : Mosasauridae : Prognathodon83.5 - 70.6 Ma
Late/Upper Cretaceous
Testudinata
unranked clade
99Animalia : Chordata : Reptilia : Protochelys : Testudinata93.9 - 89.8 Ma
Late/Upper Cretaceous
Desmatochelys lowii
species
7Animalia : Chordata : Reptilia : Testudines : Protostegidae : Desmatochelys : Desmatochelys lowii93.5 - 89.3 Ma
Late/Upper Cretaceous
Theropoda
unranked clade
99Animalia : Chordata : Saurischia : Theropoda99.6 - 93.5 Ma
Late/Upper Cretaceous
Stylocyathus sp.
genus
6Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Stylocyathus99.6 - 93.5 Ma
Late/Upper Cretaceous
Trochocyathus (Platycyathus) sp.
subgenus
6.3Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochocyathus : Trochocyathus (Platycyathus)100.5 - 93.9 Ma
Late/Upper Cretaceous
Trochosmilia moorei
species
7Animalia : Cnidaria : Anthozoa : Scleractinia : Caryophylliidae : Trochosmilia : Trochosmilia moorei93.9 - 89.8 Ma
Late/Upper Cretaceous
Petrophyllia dartoni
species
7Animalia : Cnidaria : Anthozoa : Scleractinia : Oculinidae : Petrophyllia : Petrophyllia dartoni99.6 - 93.5 Ma
Late/Upper Cretaceous
Porosoma sp.
genus
6Animalia : Echinodermata : Echinoidea : Camarodonta : Porosoma89.3 - 85.8 Ma
Late/Upper Cretaceous
Hardouinia taylori
species
7Animalia : Echinodermata : Echinoidea : Cassiduloida : Harduinia : Hardouinia taylori83.5 - 70.6 Ma
Late/Upper Cretaceous
Mecaster batnensis
species
7Animalia : Echinodermata : Echinoidea : Spatangoida : Hemiasteridae : Mecaster : Mecaster batnensis99.6 - 93.5 Ma
Late/Upper Cretaceous
Bivalvia
class
3Animalia : Mollusca : Bivalvia100.5 - 93.9 Ma
Late/Upper Cretaceous
Arca sp.
genus
6Animalia : Mollusca : Bivalvia : Arcida : Arcidae : Arca89.3 - 85.8 Ma
Late/Upper Cretaceous
Breviarca sp.
genus
6Animalia : Mollusca : Bivalvia : Arcida : Arcidae : Breviarca93.5 - 89.3 Ma
Late/Upper Cretaceous
Trigonarca sp.
genus
6Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Trigonarca93.5 - 89.3 Ma
Late/Upper Cretaceous
Nemodon sp.
genus
6Animalia : Mollusca : Bivalvia : Arcida : Parallelodontidae : Nemodon100.5 - 93.9 Ma
Late/Upper Cretaceous
Cardium sp.
genus
6Animalia : Mollusca : Bivalvia : Cardium93.5 - 89.3 Ma
Late/Upper Cretaceous
Pleuriocardia (Dochmocardia) sp.
subgenus
6.3Animalia : Mollusca : Bivalvia : Cardiida : Cardiidae : Pleuriocardia : Pleuriocardia (Dochmocardia)93.5 - 89.3 Ma
Late/Upper Cretaceous
Arcopagia sp.
genus
6Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Arcopagia99.6 - 93.5 Ma
Late/Upper Cretaceous
Linearis sp.
genus
6Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Linearis93.5 - 89.3 Ma
Late/Upper Cretaceous
Tellina sp.
genus
6Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Tellina93.5 - 89.3 Ma
Late/Upper Cretaceous
Astarte sp.
genus
6Animalia : Mollusca : Bivalvia : Carditida : Astartidae : Astarte100.5 - 93.9 Ma
Late/Upper Cretaceous
Radiolites sp.
genus
6Animalia : Mollusca : Bivalvia : Hippuritida : Radiolitidae : Radiolites99.6 - 93.5 Ma
Late/Upper Cretaceous
Sauvagesia sp.
genus
6Animalia : Mollusca : Bivalvia : Hippuritida : Radiolitidae : Sauvagesia89.8 - 86.3 Ma
Late/Upper Cretaceous
Lucina sp.
genus
6Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Lucina100.5 - 93.9 Ma
Late/Upper Cretaceous
Parvilucina sp.
genus
6Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Parvilucina93.5 - 89.3 Ma
Late/Upper Cretaceous
Cladoceramus undulatoplicatus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Cladoceramus : Cladoceramus undulatoplicatus89.8 - 86.3 Ma
Late/Upper Cretaceous
Cremnoceramus deformis
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Cremnoceramus : Cremnoceramus deformis89.3 - 85.8 Ma
Late/Upper Cretaceous
Inoceramidae
family
5Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae100.5 - 93.9 Ma
Late/Upper Cretaceous
Inoceramus sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus100.5 - 93.9 Ma
Late/Upper Cretaceous
Inoceramus (Endocostea) balticus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus (Endocostea) balticus83.5 - 70.6 Ma
Late/Upper Cretaceous
Inoceramus anglicus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus anglicus100.5 - 93.9 Ma
Late/Upper Cretaceous
Inoceramus fragilis
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus fragilis93.5 - 89.3 Ma
Late/Upper Cretaceous
Inoceramus howelli
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus howelli93.5 - 89.3 Ma
Late/Upper Cretaceous
Inoceramus pictus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus pictus100.5 - 93.9 Ma
Late/Upper Cretaceous
Inoceramus undabundus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Inoceramus : Inoceramus undabundus89.3 - 85.8 Ma
Late/Upper Cretaceous
Magadiceramus sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Magadiceramus89.3 - 85.8 Ma
Late/Upper Cretaceous
Magadiceramus subquadratus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Magadiceramus : Magadiceramus subquadratus93.9 - 86.3 Ma
Late/Upper Cretaceous
Mytiloides sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Mytiloides100.5 - 93.9 Ma
Late/Upper Cretaceous
Mytiloides labiatus
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Mytiloides : Mytiloides labiatus93.5 - 89.3 Ma
Late/Upper Cretaceous
Mytiloides mytiloides
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Mytiloides : Mytiloides mytiloides93.5 - 89.3 Ma
Late/Upper Cretaceous
Mytiloides stantoni
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Mytiloides : Mytiloides stantoni86.3 - 83.6 Ma
Late/Upper Cretaceous
Platyceramus sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Platyceramus89.3 - 85.8 Ma
Late/Upper Cretaceous
Platyceramus cycloides
species
7Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Platyceramus : Platyceramus cycloides83.5 - 70.6 Ma
Late/Upper Cretaceous
Lithophaga sp.
genus
6Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Lithophaga99.6 - 93.5 Ma
Late/Upper Cretaceous
Modiolus sp.
genus
6Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Modiolus99.6 - 93.5 Ma
Late/Upper Cretaceous
Mytilus sp.
genus
6Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Mytilus93.5 - 89.3 Ma
Late/Upper Cretaceous
Yoldia sp.
genus
6Animalia : Mollusca : Bivalvia : Nuculanida : Yoldiidae : Yoldia89.3 - 85.8 Ma
Late/Upper Cretaceous
Nucula sp.
genus
6Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : Nucula93.5 - 89.3 Ma
Late/Upper Cretaceous
Nuculidae
family
5Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae83.5 - 70.6 Ma
Late/Upper Cretaceous
Gervillia sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Bakevelliidae : Gervillia99.6 - 93.5 Ma
Late/Upper Cretaceous
Pseudoptera sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Bakevelliidae : Pseudoptera100.5 - 93.9 Ma
Late/Upper Cretaceous
Curvostrea sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Curvostrea93.5 - 89.3 Ma
Late/Upper Cretaceous
Curvostrea rouvillei
species
7Animalia : Mollusca : Bivalvia : Ostreida : Flemingostreidae : Curvostrea : Curvostrea rouvillei93.5 - 89.3 Ma
Late/Upper Cretaceous
Exogyra sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Exogyra100.5 - 93.9 Ma
Late/Upper Cretaceous
Gryphaeostrea sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Gryphaeostrea100.5 - 93.9 Ma
Late/Upper Cretaceous
Pycnodonte sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Gryphaeidae : Pycnodonte100.5 - 93.9 Ma
Late/Upper Cretaceous
Vulsella sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : Vulsella99.6 - 93.5 Ma
Late/Upper Cretaceous
Lopha sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Lopha93.5 - 89.3 Ma
Late/Upper Cretaceous
Ostrea sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea93.5 - 89.3 Ma
Late/Upper Cretaceous
Ostrea beloiti
species
7Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : Ostrea beloiti99.6 - 93.5 Ma
Late/Upper Cretaceous
Ostrea congesta
species
7Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Pseudoperna : Ostrea congesta86.3 - 83.6 Ma
Late/Upper Cretaceous
Ostreidae
family
5Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae100.5 - 93.9 Ma
Late/Upper Cretaceous
Pseudoperna sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Pseudoperna93.5 - 89.3 Ma
Late/Upper Cretaceous
Pinna sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Pinnidae : Pinna93.5 - 89.3 Ma
Late/Upper Cretaceous
Phelopteria sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : Phelopteria100.5 - 93.9 Ma
Late/Upper Cretaceous
Pteria sp.
genus
6Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : Pteria85.8 - 83.5 Ma
Late/Upper Cretaceous
Anomia sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Anomiidae : Anomia100.5 - 93.9 Ma
Late/Upper Cretaceous
Entolium sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Entoliidae : Entolium93.5 - 89.3 Ma
Late/Upper Cretaceous
Pectinella sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Entoliidae : Pectinella93.5 - 89.3 Ma
Late/Upper Cretaceous
Lima sp.
genus
6Animalia : Mollusca : Bivalvia : Limida : Limidae : Lima99.6 - 93.5 Ma
Late/Upper Cretaceous
Oxytoma sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Oxytomidae : Oxytoma83.5 - 70.6 Ma
Late/Upper Cretaceous
Pteria (Oxytoma) nebrascana
species
7Animalia : Mollusca : Bivalvia : Pectinida : Oxytomidae : Oxytoma : Pteria (Oxytoma) nebrascana86.3 - 83.6 Ma
Late/Upper Cretaceous
Camptonectes sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : Camptonectes100.5 - 93.9 Ma
Late/Upper Cretaceous
Plicatula sp.
genus
6Animalia : Mollusca : Bivalvia : Pectinida : Plicatulidae : Plicatula100.5 - 93.9 Ma
Late/Upper Cretaceous
Plicatula ferryi
species
7Animalia : Mollusca : Bivalvia : Pectinida : Plicatulidae : Plicatula : Plicatula ferryi99.6 - 93.5 Ma
Late/Upper Cretaceous
Corbula sp.
genus
6Animalia : Mollusca : Bivalvia : Myida : Corbulidae : Corbula100.5 - 93.9 Ma
Late/Upper Cretaceous
Terebrimya sp.
genus
6Animalia : Mollusca : Bivalvia : Myida : Teredinidae : Terebrimya99.6 - 93.5 Ma
Late/Upper Cretaceous
Teredo sp.
genus
6Animalia : Mollusca : Bivalvia : Myida : Teredinidae : Teredo89.3 - 85.8 Ma
Late/Upper Cretaceous
Pholadomya sp.
genus
6Animalia : Mollusca : Bivalvia : Pholadomyidae : Pholadomya99.6 - 93.5 Ma
Late/Upper Cretaceous
Liopistha sp.
genus
6Animalia : Mollusca : Bivalvia : Poromyidae : Liopistha100.5 - 93.9 Ma
Late/Upper Cretaceous
Poromya sp.
genus
6Animalia : Mollusca : Bivalvia : Poromyidae : Poromya99.6 - 93.5 Ma
Late/Upper Cretaceous
Psilomya sp.
genus
6Animalia : Mollusca : Bivalvia : Poromyidae : Psilomya99.6 - 93.5 Ma
Late/Upper Cretaceous
Sergipia sp.
genus
6Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Sergipia93.5 - 89.3 Ma
Late/Upper Cretaceous
Solemya sp.
genus
6Animalia : Mollusca : Bivalvia : Solemyida : Solemyidae : Solemya100.5 - 93.9 Ma
Late/Upper Cretaceous
Anatina sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Anatinellidae : Anatina93.5 - 89.3 Ma
Late/Upper Cretaceous
Tenea sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Arcticidae : Tenea99.6 - 93.5 Ma
Late/Upper Cretaceous
Veniella sp.
genus
6Animalia : Mollusca : Bivalvia : Hippuritida : Cycloconchidae : Veniella99.6 - 93.5 Ma
Late/Upper Cretaceous
Pharodina sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Cyrenidae : Pharodina93.5 - 89.3 Ma
Late/Upper Cretaceous
Cyrena sp.
genus
6Animalia : Mollusca : Bivalvia : Veneroidei : Cyrenidae : Cyrena93.5 - 89.3 Ma
Late/Upper Cretaceous
Cymbophora sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Cymbophora99.6 - 93.5 Ma
Late/Upper Cretaceous
Mactra sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Mactra93.9 - 89.8 Ma
Late/Upper Cretaceous
Pollex sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Pollicidae : Pollex93.5 - 89.3 Ma
Late/Upper Cretaceous
Sinonia sp.
genus
6Animalia : Mollusca : Bivalvia : Venerida : Veneridae : Sinonia93.5 - 89.3 Ma
Late/Upper Cretaceous
Acanthoceras amphibolum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Acanthoceras : Acanthoceras amphibolum99.6 - 93.5 Ma
Late/Upper Cretaceous
Alzadites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Alzadites99.6 - 93.5 Ma
Late/Upper Cretaceous
Alzadites incomptus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Alzadites : Alzadites incomptus99.6 - 93.5 Ma
Late/Upper Cretaceous
Burroceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Burroceras99.6 - 93.5 Ma
Late/Upper Cretaceous
Burroceras transitorium
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Burroceras : Burroceras transitorium99.6 - 93.5 Ma
Late/Upper Cretaceous
Calycoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Calycoceras99.6 - 89.3 Ma
Late/Upper Cretaceous
Calycoceras (Calycoceras) naviculare
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Acanthoceratidae : Calycoceras : Calycoceras (Calycoceras) naviculare99.6 - 93.5 Ma
Late/Upper Cretaceous
Eucalycoceras pentagonum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Eucalycoceras : Eucalycoceras pentagonum99.6 - 93.5 Ma
Late/Upper Cretaceous
Eucalycoceras templetonense
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Eucalycoceras : Eucalycoceras templetonense99.6 - 93.5 Ma
Late/Upper Cretaceous
Euomphaloceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Euomphaloceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Euomphaloceras septemseriatum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Euomphaloceras : Euomphaloceras septemseriatum99.6 - 93.5 Ma
Late/Upper Cretaceous
Kamerunoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Kamerunoceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Kamerunoceras turoniense
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Kamerunoceras : Kamerunoceras turoniense93.5 - 89.3 Ma
Late/Upper Cretaceous
Mammites nodosoides
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Mammites : Mammites nodosoides93.5 - 89.3 Ma
Late/Upper Cretaceous
Metoicoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Metoicoceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Metoicoceras geslinianum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Metoicoceras : Metoicoceras geslinianum99.6 - 93.5 Ma
Late/Upper Cretaceous
Morrowites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Morrowites93.5 - 89.3 Ma
Late/Upper Cretaceous
Morrowites depressus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Morrowites : Morrowites depressus93.5 - 89.3 Ma
Late/Upper Cretaceous
Morrowites subdepressus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Morrowites : Morrowites subdepressus93.5 - 89.3 Ma
Late/Upper Cretaceous
Nannometoicoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Nannometoicoceras99.6 - 93.5 Ma
Late/Upper Cretaceous
Nannometoicoceras glabrum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Nannometoicoceras : Nannometoicoceras glabrum99.6 - 93.5 Ma
Late/Upper Cretaceous
Neocardioceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Neocardioceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Neocardioceras juddii
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Neocardioceras : Neocardioceras juddii99.6 - 93.5 Ma
Late/Upper Cretaceous
Neocardioceras minutum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Neocardioceras : Neocardioceras minutum99.6 - 93.5 Ma
Late/Upper Cretaceous
Nigericeras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Nigericeras99.6 - 93.5 Ma
Late/Upper Cretaceous
Paracompsoceras landisi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Paracompsoceras : Paracompsoceras landisi99.6 - 93.5 Ma
Late/Upper Cretaceous
Plesiacanthoceras wyomingense
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Plesiacanthoceras : Plesiacanthoceras wyomingense99.6 - 93.5 Ma
Late/Upper Cretaceous
Pseudaspidoceras flexuosum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Pseudaspidoceras : Pseudaspidoceras flexuosum93.5 - 89.3 Ma
Late/Upper Cretaceous
Pseudaspidoceras pseudonodosoides
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Pseudaspidoceras : Pseudaspidoceras pseudonodosoides99.6 - 93.5 Ma
Late/Upper Cretaceous
Pseudocalycoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Pseudocalycoceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Pseudocalycoceras angolaense
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Pseudocalycoceras : Pseudocalycoceras angolaense99.6 - 93.5 Ma
Late/Upper Cretaceous
Quitmaniceras reaseri
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Quitmaniceras : Quitmaniceras reaseri93.5 - 89.3 Ma
Late/Upper Cretaceous
Romaniceras (Obiraceras) sp.
subgenus
6.3Animalia : Mollusca : Cephalopoda : Ammonitida : Acanthoceratidae : Romaniceras : Romaniceras (Obiraceras)93.5 - 89.3 Ma
Late/Upper Cretaceous
Romaniceras (Romaniceras) mexicanum
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Acanthoceratidae : Romaniceras : Romaniceras (Romaniceras) mexicanum93.5 - 89.3 Ma
Late/Upper Cretaceous
Spathites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Spathites93.5 - 89.3 Ma
Late/Upper Cretaceous
Spathites coahuilaensis
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Acanthoceratidae : Spathites : Spathites coahuilaensis93.5 - 89.3 Ma
Late/Upper Cretaceous
Spathites puercoensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Spathites : Spathites puercoensis93.5 - 89.3 Ma
Late/Upper Cretaceous
Spathites rioensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Spathites : Spathites rioensis93.5 - 89.3 Ma
Late/Upper Cretaceous
Sumitomoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Sumitomoceras99.6 - 93.5 Ma
Late/Upper Cretaceous
Sumitomoceras conlini
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Sumitomoceras : Sumitomoceras conlini99.6 - 93.5 Ma
Late/Upper Cretaceous
Tarrantoceras sellardsi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Tarrantoceras : Tarrantoceras sellardsi99.6 - 93.5 Ma
Late/Upper Cretaceous
Watinoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Watinoceras93.5 - 89.3 Ma
Late/Upper Cretaceous
Watinoceras coloradoense
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Acanthoceratidae : Watinoceras : Watinoceras coloradoense93.5 - 89.3 Ma
Late/Upper Cretaceous
Allocrioceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Anisoceratidae : Allocrioceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Anisoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Anisoceratidae : Anisoceras99.6 - 93.5 Ma
Late/Upper Cretaceous
Phlycticrioceras trinodosus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Anisoceratidae : Phlycticrioceras : Phlycticrioceras trinodosus89.8 - 86.3 Ma
Late/Upper Cretaceous
Baculites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites93.5 - 89.3 Ma
Late/Upper Cretaceous
Baculites aquilaensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites aquilaensis83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites asper
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites asper89.3 - 85.8 Ma
Late/Upper Cretaceous
Baculites codyensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites codyensis86.3 - 83.6 Ma
Late/Upper Cretaceous
Baculites haresi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites haresi83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites mclearni
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites mclearni83.5 - 70.6 Ma
Late/Upper Cretaceous
Baculites yokoyamai
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : Baculites : Baculites yokoyamai93.5 - 89.3 Ma
Late/Upper Cretaceous
Sciponoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Baculitidae : Sciponoceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Sciponoceras gracile
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Baculitidae : Sciponoceras : Sciponoceras gracile99.6 - 93.5 Ma
Late/Upper Cretaceous
Borissiakoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Binneyitidae : Borissiakoceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Coilopoceras colleti
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : Coilopoceras : Coilopoceras colleti93.5 - 89.3 Ma
Late/Upper Cretaceous
Coilopoceras inflatum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : Coilopoceras : Coilopoceras inflatum93.5 - 89.3 Ma
Late/Upper Cretaceous
Coilopoceras springeri
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : Coilopoceras : Coilopoceras springeri93.5 - 89.3 Ma
Late/Upper Cretaceous
Hoplitoides koeneni
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : Hoplitoides : Hoplitoides koeneni93.5 - 89.3 Ma
Late/Upper Cretaceous
Hoplitoides sandovalensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : Hoplitoides : Hoplitoides sandovalensis93.5 - 89.3 Ma
Late/Upper Cretaceous
Hoplitoides wohltmanni
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : Hoplitoides : Hoplitoides wohltmanni93.5 - 89.3 Ma
Late/Upper Cretaceous
Barroisiceras (Alstadenites) sevierense
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Forresteria : Barroisiceras (Alstadenites) sevierense89.8 - 86.3 Ma
Late/Upper Cretaceous
Cibolaites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Cibolaites93.5 - 89.3 Ma
Late/Upper Cretaceous
Cibolaites molenaari
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Cibolaites : Cibolaites molenaari93.5 - 89.3 Ma
Late/Upper Cretaceous
Collignoniceras woollgari
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Collignoniceras : Collignoniceras woollgari93.5 - 89.3 Ma
Late/Upper Cretaceous
Forresteria forresteri
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Forresteria : Forresteria forresteri89.8 - 86.3 Ma
Late/Upper Cretaceous
Harleites castellensis
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Forresteria : Harleites castellensis89.8 - 86.3 Ma
Late/Upper Cretaceous
Prionocyclus sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Collignoniceratidae : Prionocyclus93.5 - 89.3 Ma
Late/Upper Cretaceous
Prionocyclus germari
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Prionocyclus : Prionocyclus germari93.5 - 89.3 Ma
Late/Upper Cretaceous
Prionocyclus hyatti
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Prionocyclus : Prionocyclus hyatti93.5 - 89.3 Ma
Late/Upper Cretaceous
Prionocyclus macombi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Prionocyclus : Prionocyclus macombi93.5 - 89.3 Ma
Late/Upper Cretaceous
Prionocyclus novimexicanus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Prionocyclus : Prionocyclus novimexicanus93.5 - 89.3 Ma
Late/Upper Cretaceous
Prionocyclus wyomingensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Collignoniceratidae : Prionocyclus : Prionocyclus wyomingensis93.5 - 89.3 Ma
Late/Upper Cretaceous
Moremanoceras scotti
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoceratidae : Moremanoceras : Moremanoceras scotti99.6 - 93.5 Ma
Late/Upper Cretaceous
Metengonoceras acutum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Engonoceratidae : Metengonoceras : Metengonoceras acutum99.6 - 93.5 Ma
Late/Upper Cretaceous
Hamites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hamitidae : Hamites89.3 - 85.8 Ma
Late/Upper Cretaceous
Hamites simplex
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Hamitidae : Hamites : Hamites simplex99.6 - 93.5 Ma
Late/Upper Cretaceous
Metaptychoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hamitidae : Metaptychoceras99.6 - 93.5 Ma
Late/Upper Cretaceous
Puebloites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hamitidae : Puebloites93.5 - 89.3 Ma
Late/Upper Cretaceous
Puebloites greenhornensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Hamitidae : Puebloites : Puebloites greenhornensis99.6 - 93.5 Ma
Late/Upper Cretaceous
Stomohamites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hamitidae : Stomohamites99.6 - 93.5 Ma
Late/Upper Cretaceous
Neogastroplites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Hoplitidae : Neogastroplites100.5 - 93.9 Ma
Late/Upper Cretaceous
Tragodesmoceras bassi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Muniericeratidae : Tragodesmoceras : Tragodesmoceras bassi93.5 - 89.3 Ma
Late/Upper Cretaceous
Tragodesmoceras socorroense
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Muniericeratidae : Tragodesmoceras : Tragodesmoceras socorroense93.5 - 89.3 Ma
Late/Upper Cretaceous
Eubostrychoceras matsumotoi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae : Eubostrychoceras : Eubostrychoceras matsumotoi93.5 - 89.3 Ma
Late/Upper Cretaceous
Helicoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Nostoceratidae : Helicoceras89.8 - 86.3 Ma
Late/Upper Cretaceous
Placenticeras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Placenticeratidae : Placenticeras100.5 - 93.9 Ma
Late/Upper Cretaceous
Placenticeras cumminsi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Placenticeratidae : Placenticeras : Placenticeras cumminsi93.5 - 89.3 Ma
Late/Upper Cretaceous
Placenticeras pseudoplacenta
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Placenticeratidae : Placenticeras : Placenticeras pseudoplacenta93.9 - 86.3 Ma
Late/Upper Cretaceous
Herrickiceras costatus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Coilopoceratidae : Herrickiceras : Herrickiceras costatus93.5 - 89.3 Ma
Late/Upper Cretaceous
Choffaticeras (Choffaticeras) pavillieri
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Pseudotissotiidae : Choffaticeras : Choffaticeras (Choffaticeras) pavillieri93.5 - 89.3 Ma
Late/Upper Cretaceous
Thomasites gongilensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Thomasites : Thomasites gongilensis99.6 - 93.5 Ma
Late/Upper Cretaceous
Clioscaphites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Clioscaphites89.3 - 85.8 Ma
Late/Upper Cretaceous
Clioscaphites saxitonianus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Clioscaphites : Clioscaphites saxitonianus86.3 - 83.6 Ma
Late/Upper Cretaceous
Clioscaphites vermiformis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Clioscaphites : Clioscaphites vermiformis85.8 - 83.5 Ma
Late/Upper Cretaceous
Scaphites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Scaphitidae : Scaphites93.5 - 89.3 Ma
Late/Upper Cretaceous
Scaphites binneyi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : Scaphites binneyi89.8 - 86.3 Ma
Late/Upper Cretaceous
Scaphites ferronensis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : Scaphites ferronensis93.5 - 89.3 Ma
Late/Upper Cretaceous
Scaphites hippocrepis
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : Scaphites hippocrepis89.3 - 85.8 Ma
Late/Upper Cretaceous
Scaphites whitfieldi
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : Scaphites whitfieldi93.5 - 89.3 Ma
Late/Upper Cretaceous
Worthoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Worthoceras100.5 - 93.9 Ma
Late/Upper Cretaceous
Worthoceras vermiculum
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Worthoceras : Worthoceras vermiculum99.6 - 93.5 Ma
Late/Upper Cretaceous
Yezoites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Scaphitidae : Yezoites99.6 - 93.5 Ma
Late/Upper Cretaceous
Turrilites (Turrilites) acutus
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Turrilitidae : Turrilites : Turrilites (Turrilites) acutus99.6 - 93.5 Ma
Late/Upper Cretaceous
Fagesia catinus
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Vascoceratidae : Fagesia : Fagesia catinus93.5 - 89.3 Ma
Late/Upper Cretaceous
Fagesia superstes
species
7Animalia : Mollusca : Cephalopoda : Ammonoidea : Vascoceratidae : Fagesia : Fagesia superstes93.5 - 89.3 Ma
Late/Upper Cretaceous
Neoptychites cephalotus
species
7Animalia : Mollusca : Cephalopoda : Ammonitida : Vascoceratidae : Neoptychites : Neoptychites cephalotus93.5 - 89.3 Ma
Late/Upper Cretaceous
Rubroceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Vascoceratidae : Rubroceras99.6 - 93.5 Ma
Late/Upper Cretaceous
Vascoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonitida : Vascoceratidae : Vascoceras93.5 - 89.3 Ma
Late/Upper Cretaceous
Ammonoidea
order
4Animalia : Mollusca : Cephalopoda : Ammonoidea100.5 - 93.9 Ma
Late/Upper Cretaceous
Desmoscaphites sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Desmoscaphites86.3 - 83.6 Ma
Late/Upper Cretaceous
Haresiceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Ammonoidea : Placenticeratidae : Haresiceras86.3 - 83.6 Ma
Late/Upper Cretaceous
Eutrephoceras sp.
genus
6Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : Eutrephoceras89.8 - 86.3 Ma
Late/Upper Cretaceous
Gastropoda
class
3Animalia : Mollusca : Gastropoda99.6 - 93.5 Ma
Late/Upper Cretaceous
Acteon sp.
genus
6Animalia : Mollusca : Gastropoda : Architectibranchia : Acteonidae : Acteon99.6 - 93.5 Ma
Late/Upper Cretaceous
Ringicula sp.
genus
6Animalia : Mollusca : Gastropoda : Cephalaspidea : Ringiculidae : Ringicula99.6 - 93.5 Ma
Late/Upper Cretaceous
Anisomyon sp.
genus
6Animalia : Mollusca : Gastropoda : Siphonariida : Siphonariidae : Anisomyon100.5 - 93.9 Ma
Late/Upper Cretaceous
Cylichna sp.
genus
6Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : Cylichna99.6 - 93.5 Ma
Late/Upper Cretaceous
Neogastropoda
order
4Animalia : Mollusca : Gastropoda : Neogastropoda100.5 - 93.9 Ma
Late/Upper Cretaceous
Bellifusus sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Pholidotomidae : Bellifusus100.5 - 93.9 Ma
Late/Upper Cretaceous
Dolicholatirus sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Dolicholatirus99.6 - 93.5 Ma
Late/Upper Cretaceous
Graphidula sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Graphidula99.6 - 93.5 Ma
Late/Upper Cretaceous
Paleopsephaea sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Paleopsephaea93.5 - 89.3 Ma
Late/Upper Cretaceous
Pyropsis sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Perissityidae : Pyropsis99.6 - 93.5 Ma
Late/Upper Cretaceous
Volutoderma sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Pholidotomidae : Volutoderma89.3 - 85.8 Ma
Late/Upper Cretaceous
Eoacteon sp.
genus
6Animalia : Mollusca : Gastropoda : Acteoninidae : Eoacteon99.6 - 93.5 Ma
Late/Upper Cretaceous
Anchura sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Anchura89.3 - 85.8 Ma
Late/Upper Cretaceous
Drepanocheilus sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Drepanocheilus100.5 - 93.9 Ma
Late/Upper Cretaceous
Drepanochilus sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Drepanochilus99.6 - 93.5 Ma
Late/Upper Cretaceous
Perissoptera sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Aporrhaidae : Perissoptera100.5 - 93.9 Ma
Late/Upper Cretaceous
Cerithiopsis sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Cerithiopsidae : Cerithiopsis100.5 - 93.9 Ma
Late/Upper Cretaceous
Eulima sp.
genus
6Animalia : Mollusca : Gastropoda : Eulimidae : Eulima100.5 - 93.9 Ma
Late/Upper Cretaceous
Eunaticina sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Eunaticina100.5 - 93.9 Ma
Late/Upper Cretaceous
Euspira sp.
genus
6Animalia : Mollusca : Euspira100.5 - 93.9 Ma
Late/Upper Cretaceous
Gyrodes sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Gyrodes99.6 - 93.5 Ma
Late/Upper Cretaceous
Euspira sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Euspira93.9 - 86.3 Ma
Late/Upper Cretaceous
Polinices sp.
genus
6Animalia : Mollusca : Gastropoda : Naticidae : Polinices93.9 - 89.8 Ma
Late/Upper Cretaceous
Nerita sp.
genus
6Animalia : Mollusca : Gastropoda : Cycloneritida : Neritidae : Nerita93.5 - 89.3 Ma
Late/Upper Cretaceous
Neritina sp.
genus
6Animalia : Mollusca : Gastropoda : Neritidae : Neritina93.5 - 89.3 Ma
Late/Upper Cretaceous
Charonia sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Charoniidae : Charonia99.6 - 93.5 Ma
Late/Upper Cretaceous
Rostellaria (Fusus) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Strombidae : Tibia : Rostellaria (Fusus)86.3 - 83.6 Ma
Late/Upper Cretaceous
Cerithioderma sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Capulidae : Cerithioderma99.6 - 93.5 Ma
Late/Upper Cretaceous
Vanikoro sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Vanikoridae : Vanikoro89.3 - 85.8 Ma
Late/Upper Cretaceous
Xenophora sp.
genus
6Animalia : Mollusca : Gastropoda : Xenophoridae : Xenophora93.5 - 89.3 Ma
Late/Upper Cretaceous
Acmaea sp.
genus
6Animalia : Mollusca : Gastropoda : Acmaeidae : Acmaea93.5 - 89.3 Ma
Late/Upper Cretaceous
Cerithium sp.
genus
6Animalia : Mollusca : Gastropoda : Cerithiidae : Cerithium93.9 - 86.3 Ma
Late/Upper Cretaceous
Turritella sp.
genus
6Animalia : Mollusca : Gastropoda : Turritellidae : Turritella100.5 - 93.9 Ma
Late/Upper Cretaceous
Dentalium sp.
genus
6Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : Dentalium99.6 - 93.5 Ma
Late/Upper Cretaceous
Cadulus sp.
genus
6Animalia : Mollusca : Scaphopoda : Gadilida : Gadilidae : Cadulus99.6 - 93.5 Ma
Late/Upper Cretaceous
Nodosaria sp.
genus
6Chromista : Foraminifera : Lagenida : Nodosariidae : Nodosaria93.9 - 86.3 Ma
Late/Upper Cretaceous

References

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Wells J. W. (1933) Corals of the Cretaceous of the Atlantic and Gulf Coastal Plains and Western Interior of the United States, Bulletins of American Paleontology 18 67, 85-288
Lull R. S., Wright N. E. (1942) Hadrosaurian dinosaurs of North America, Geological Society of America Special Paper 40, 1-242
Cooke C. W. (1953) American Upper Cretaceous Echinoidea, United States Geological Survey Professional Paper 254-A, 1-44
Reeside J. B. (1955) Revised interpretation of the Cretaceous section on Vermilion Creek, Moffat County, Colorado, Wyoming Geological Association Guidebook - 1955, 85-88
Dane C. H., Kauffman E. G., et al (1968) Semilla Sandstone, a new member of the Mancos Shale in the southeastern part of the San Juan Basin, New Mexico, United States Geological Survey Professional Paper 1254 F, 1-21
Cobban W. A. (1972) New and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States, United States Geological Survey Professional Paper 699, 1-24
Cobban W. A., Hook S. C. (1980) The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the Western Interior of the United States, United States Geological Survey Professional Paper 1192, 1-28
Lucas S. G., Sullivan R. M. (1982) Ichthyornis in the Late Cretaceous Mancos Shale (Juana Lopez Member), northwestern New Mexico, Journal of Paleontology 56 2, 545-547
Hook S. C., Molenaar C. M., et al (1983) Stratigraphy and revision of nomenclature of upper Cenomanian to Turonian (Upper Cretaceous) rocks of west-central New Mexico, New Mexico Bureau of Mines and Mineral Resources Circular 185, 7-28
Cobban W. A., Hook S. C. (1983) Mid-Cretaceous (Turonian) ammonite fauna from Fence Lake area of west-central New Mexico, New Mexico Bureau of Mines and Mineral Resources Memoir 41, 1-50
Cobban W. A. (1987) The Upper Cretaceous (Cenomanian) ammonites Metengonoceras dumbli (Cragin) and M. acutum Hyatt, United States Geological Survey Bulletin 1690, C1-C7
Elder W. P. (1987) The paleoecology of the Cenomanian-Turonian (Cretaceous) stage boundary extinctions at Black Mesa, Arizona, Palaios 2 1, 24-40 doi:10.2307/3514570
Cobban W. A. (1987) The Upper Cretaceous ammonite Eubostrychoceras Matsumoto in the western interior of the United States, United States Geological Survey Bulletin 1690, A1-A5
Cobban W. A. (1988) The Late Cretaceous ammonite Spathites Kummel & Decker in New Mexico and Trans-Pecos Texas, New Mexico Bureau of Mines & Mineral Resources Bulletin 114, 5-21
Cobban W. A. (1988) Tarrantoceras Stephenson and related ammonoid genera from Cenomanian (Upper Cretaceous) rocks in Texas and the western interior of the United States, United States Geological Survey Professional Paper 1473, 1-30
Kennedy W. J., Cobban W. A. (1988) The Late Cretaceous ammonite Romaniceras Spath, 1923, in New Mexico, New Mexico Bureau of Mines & Mineral Resources Bulletin 114, 23-34
Lucas S. G., Hunt A. P., et al (1988) Some Late Cretaceous reptiles from New Mexico, Contributions to Late Cretaceous paleontology and stratigraphy of New Mexico. Part III. New Mexico Bureau of Mines & Mineral Resources Bulletin 122, 49-60
Wolny D. G., Armstrong H. J., et al (1990) Hadrosaur skeleton from the Mancos Shale, W. Colorado, Journal of Vertebrate Paleontology 10 3, suppl., 50A
Kennedy W. J., Cobban W. A. (1990) Cenomanian micromorphic ammonites from the western interior of the USA, Palaeontology 33, 379-422
Kirkland J. I. (1996) Paleontology of the Greenhorn cylcothem (Cretaceous: late Cenomanian to middle Turonian) at Black Mesa, northeastern Arizona, New Mexico Museum of Natural History and Science Bulletin 9, 1-131
Toolson E. K., Kues B. S. (1996) Decapod crustaceans from the Semilla Sandstone Member, Mancos Shale (Upper Cretaceous), north-central New Mexico, Journal of Paleontology 70 1, 111-116
Elliott D. K., Irby G. V., et al (1997) Desmatochelys lowi, a marine turtle from the Upper Cretaceous, Ancient Marine Reptiles, 243-257
Kass M. S. (1999) Prognathodon stadtmani: (Mosasauridae) a new species from the Mancos Shale (Lower Campanian) of western Colorado, Utah Geological Survey Miscellaneous Publication 99-1, 275-294
Kennedy W. J., Cobban W. A., et al (2001) A revision of the Turonian members of the ammonite subfamily Collignoniceratinae from the United States Western Interior and Gulf Coast, Bulletin of the American Museum of Natural History 267, 1-148
Walaszczyk I., Cobban W. A. (2006) Palaeontology and stratigraphy of the Middle-Upper Coniacian and Santonian inoceramids of the US Western Interior, Acta Geologica Polonica 56 3, 241-348
Lucas S. G., Spielmann J. A., et al (2006) A juvenile hadrosaurine from the middle Campanian (Late Cretaceous) interval of the Mancos Shale, western Colorado, Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35, 281-292
Hook S. C., Cobban W. A. (2007) A condensed middle Cenomanian succession in the Dakota Sandstone (Upper Cretaceous), Sevilleta National Wildlife Refuge, Socorro County, New Mexico, New Mexico Geology 29 3, 75-96
Sealey P. L., Lucas S. G. (2011) Turonian ammonites from the Upper Cretaceous D-Cross Member of the Mancos Shale, Puertecito, Socorro County, New Mexico, New Mexico Museum of Natural History and Science Bulletin 53, 363-369
Sealey P. L., Lucas S. G. (2011) Upper Cretaceous (Turonian) ammonites from the Carlile Member and reference area of the Juana Lopez Member of the Mancos Shale, eastern side of the San Juan Basin, La Ventana, Sandoval County, New Mexico, New Mexico Museum of Natural History and Science Bulletin 53, 370-379
Lucas S. G., Ferguson C. A. (2012) Upper Cretaceous dinosaur footprints from Grant County, New Mexico, New Mexico Geological Society Guidebook, 63rd Field Conference, Warm Springs Region, 499-502
Hook S. C., Cobban W. A. (2017) Mecaster batnensis (Coquand, 1862), a late Cenomanian echinoid from New Mexico, with a compilation of Late Cretaceous echinoid records in the Western Interior of the United States and Canada, Acta Geologica Polonica 67, 1-30
Jud N. A., D'Emic M. D., et al (2018) A new fossil assemblage shows that large angiosperm trees grew in North America by the Turonian (Late Cretaceous), Science Advances 4 9, 1-6 doi:10.1126/sciadv.aar8568
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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