List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Osteichthyes indet.
(Huxley 1880)
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1433 specimens | |||||||||
Actinopterygii
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Actinopterygii indet.
Cope 1887
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84 specimens | |||||||||
Actinopteri
- Pycnodontiformes
- Pycnodontidae
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aff. Pycnodontidae indet.
(Agassiz 1833)
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1 specimen | |||||||||
Actinopteri
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Holostei indet.
(Müller 1846)
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574 specimens | |||||||||
Actinopteri
- Lepisosteiformes
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aff. Lepidotes sp.
Agassiz 1832
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4 specimens | |||||||||
Actinopteri
- Semionotiformes
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Semionotiformes indet.
Arambourg and Bertin 1958
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18 specimens | |||||||||
Actinopteri
- Amiiformes
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Amiiformes indet.
Hay 1929
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9 specimens | |||||||||
Actinopteri
- Amiiformes
- Amiidae
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Amiidae informal indet. A
Huxley 1861
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46 specimens | |||||||||
Vidalamiinae indet.
Grande and Bemis 1998
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1 specimen | |||||||||
Dipnoi
- Ceratodontidae
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? Ceratodus sp.
Agassiz 1838
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3 specimens | |||||||||
Ceratodus cf. guentheri
Marsh 1878
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6 specimens | |||||||||
Ceratodus frazieri
Ostrom 1970
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2 specimens | |||||||||
Amphibia
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Amphibia indet.
(Linnaeus 1758)
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46 specimens | |||||||||
Amphibia
- Temnospondyli
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Caudata indet.
(Scopoli 1777)
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14 specimens | |||||||||
Amphibia
- Temnospondyli
- Urodela
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cf. Scapherpetontidae indet.
(Auffenberg and Goin 1959)
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5 specimens | |||||||||
Amphibia
- Temnospondyli
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Anura informal indet. A
(Fischer von Waldheim 1813)
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31 specimens | |||||||||
Anura indet.
(Fischer von Waldheim 1813)
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20 specimens | |||||||||
Amphibia
- Temnospondyli
- Albanerpetontidae
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Albanerpeton sp.
Estes and Hoffstetter 1976
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51 specimens | |||||||||
Reptilia
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Naomichelys speciosa
Hay 1908
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170 specimens | |||||||||
? Glyptops pervicax
Hay 1908
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37 specimens | |||||||||
nomen dubium belonging to Paracryptodira | ||||||||||
Reptilia
- Testudines
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Testudines indet.
Batsch 1788
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18 specimens | |||||||||
Reptilia
- Squamata
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Squamata indet.
Oppel 1811
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9 specimens | |||||||||
Reptilia
- Paramacellodidae
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Paramacellodidae indet.
Estes 1983
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1 specimen | |||||||||
Reptilia
- Teiidae
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Teiidae informal indet. A
Gray 1827
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2 specimens | |||||||||
Ptilotodon wilsoni
Nydam and Cifelli 2002
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2 specimens | |||||||||
Reptilia
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? Titanosauriformes indet.
Salgado et al. 1997
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133 specimens | |||||||||
Theropoda informal indet. A
(Marsh 1881)
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14 specimens | |||||||||
Theropoda informal indet. B
(Marsh 1881)
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5 specimens | |||||||||
Theropoda indet.
(Marsh 1881)
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44 specimens | |||||||||
Tetanurae indet.
Gauthier 1986
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2 specimens | |||||||||
? Aves indet.
(Linnaeus 1758)
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2 specimens | |||||||||
Reptilia
- Dromaeosauridae
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Deinonychus antirrhopus
Ostrom 1969
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72 specimens | |||||||||
Reptilia
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Ornithischia indet.
(Seeley 1888)
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40 specimens | |||||||||
cf. Zephyrosaurus sp.
Sues 1980
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5 specimens | |||||||||
Ankylosauria indet.
(Osborn 1923)
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30 specimens | |||||||||
Reptilia
- Nodosauridae
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Sauropelta edwardsi
Ostrom 1970
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3 specimens | |||||||||
corrected as Sauropelta edwardsorum | ||||||||||
Reptilia
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cf. Atoposauridae indet.
(Gervais 1871)
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331 specimens | |||||||||
= Mesoeucrocodylia indet.
Whetstone and Whybrow 1983
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Tennant et al. 2016 | |||||||||
Reptilia
- Bernissartiidae
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cf. Bernissartidae indet.
Dollo 1883
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52 specimens | |||||||||
corrected as Bernissartiidae | ||||||||||
Reptilia
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cf. Pholidosauridae indet.
(von Zittel and Eastman 1902)
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257 specimens | |||||||||
Reptilia
- Goniopholididae
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cf. Goniopholididae indet.
Cope 1875
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9 specimens | |||||||||
Reptilia
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Crocodylia indet.
(Owen 1842)
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190 specimens | |||||||||
Mammalia
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Mammalia indet.
(Linnaeus 1758)
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7 specimens | |||||||||
Mammalia
- Spalacotheriidae
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Spalacotheriidae indet.
Marsh 1887
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1 specimen | |||||||||
Mammalia
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Metatheria indet.
(Huxley 1880)
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1 specimen | |||||||||
Mammalia
- Deltatheroida
- Deltatheridiidae
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cf. Oklatheridium sp.
Davis et al. 2008
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1 specimen | |||||||||
Mammalia
- Eutriconodonta
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Eutriconodonta indet.
Kermack et al. 1973
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5 specimens | |||||||||
Mammalia
- Eutriconodonta
- Triconodontidae
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Alticonodontinae indet.
Fox 1976
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4 specimens | |||||||||
Mammalia
- Multituberculata
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Multituberculata indet.
(Cope 1884)
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2 specimens | |||||||||
? Paracimexomys sp.
Archibald 1982
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3 specimens | |||||||||
Chondrichthyes
- Hybodontiformes
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Hybodontoidea indet.
Agassiz 1834
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3 specimens | |||||||||
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lonchidion sp.
Estes 1964
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18 specimens | |||||||||
Malacostraca
- Decapoda
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Pleocyemata indet.
Burkenroad 1963
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2 specimens | |||||||||
crayfish gastroliths | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Big Horn |
Coordinates: | 44.5° North, 107.8° West (view map) | ||||
Paleocoordinates: | 43.9° North, 59.9° West | ||||
Basis of coordinate: | unpublished field data | ||||
Altitude: | 1338 meters | ||||
Geographic resolution: | small collection |
Stratigraphy
Formation: | Cloverly | Member: | Little Sheep Mudstone | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Unit V
D'Emic et al. 2019: Little Sheep Mudstone Member was deposited ca. 124–109 Ma in a time of low sediment supply. |
Lithology and environment
Primary lithology: | planar lamination,gray poorly lithified claystone |
Includes fossils? | Y |
Lithology description: "5Y 7/1, laminated claystone with N8 mottling" | |
Environment: | lacustrine indet. |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | concentrated |
Size of fossils: | macrofossils,mesofossils |
Preservation of anatomical detail: | good |
Fragmentation: | occasional |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | bulk,surface (float),sieve,field collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Museum repositories: | USNM | ||
Collectors: | M. Carrano | Collection dates: | 2005–2010 |
Metadata
Also known as: | MTC WY-05013 | ||
Database number: | 137577 | ||
Authorizer: | M. Carrano, P. Mannion | Enterer: | M. Carrano, P. Mannion |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2012-12-18 04:06:40 | Last modified: | 2022-01-27 06:41:30 |
Access level: | the public | Released: | 2012-12-18 04:06:40 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
44000. | M. P. J. Oreska, M. T. Carrano, and K. M. Dzikiewicz. 2013. Vertebrate paleontology of the Cloverly Formation (Lower Cretaceous), I: faunal composition, biogeographic relationships, and sampling. Journal of Vertebrate Paleontology 33(2):264-292 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
79303 | M. D. D’Emic, B. Z. Foreman, N. A. Jud, B. B. Britt, M. Schmitz and J. L. Crowley. 2019. Chronostratigraphic Revision of the Cloverly Formation (Lower Cretaceous, Western Interior, USA). Bulletin of the Peabody Museum of Natural History 60(1):3-40 [P. Mannion/G. Varnham/G. Varnham] | |
59838 | J. P. Tennant, P. D. Mannion, and P. Upchurch. 2016. Evolutionary relationships and systematics of Atoposauridae (Crocodylomorpha: Neosuchia): implications for the rise of Eusuchia. Zoological Journal of the Linnean Society 177:854-936 [P. Mannion/P. Mannion] |