Also known as MTC WY-04028
Where: Big Horn County, Wyoming (44.5° N, 107.9° W: paleocoordinates 44.0° N, 59.9° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Little Sheep Mudstone Member (Cloverly Formation), Aptian to Aptian (125.0 - 100.5 Ma)
• Unit V
•
•D'Emic et al. 2019: Little Sheep Mudstone Member was deposited ca. 124–109 Ma in a time of low sediment supply.
• bed-level stratigraphic resolution
Environment/lithology: lacustrine; lithified, intraclastic, gray claystone
Size classes: macrofossils, mesofossils
Collected by M. Carrano in 2004–2010; reposited in the USNM
Collection methods: bulk, surface (float), surface (in situ), sieve,
Primary reference: 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]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 137567: authorized by Matthew Carrano, entered by Matthew Carrano on 18.12.2012, edited by Jonathan Tennant and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Hybodontoidea indet. Agassiz 1834 elasmobranch | |
Egertonodus sp. Maisey 1987 elasmobranch | |
"Hybodus cf. parvidens" = Polyacrodus parvidens
"Hybodus cf. parvidens" = Polyacrodus parvidens Woodward 1916 elasmobranch | |
Lonchidion sp. Estes 1964 elasmobranch
Parvodus sp. Rees and Underwood 2002 elasmobranch | |
Osteichthyes | |
Osteichthyes indet. Huxley 1880 bony fish | |
Mammalia | |
Mammalia indet. mammal | |
cf. Atokatheridium sp. Kielan-Jaworowska and Cifelli 2001 metatherian | |
Eutriconodonta indet. Kermack et al. 1973 mammal | |
Alticonodontinae indet. Fox 1976 mammal | |
Gobiconodon ostromi Jenkins and Schaff 1988 mammal | |
Multituberculata indet. multituberculate
Bryceomys sp. Eaton 1995 multituberculate
? Paracimexomys sp. Archibald 1982 multituberculate
Janumys sp. Eaton and Cifelli 2001 multituberculate | |
Reptilia | |
Squamata indet. squamates | |
Teiidae "indet. A" Gray 1827 squamates
Teiidae indet. Gray 1827 squamates
Ptilotodon wilsoni Nydam and Cifelli 2002 squamates | |
Paramacellodidae "indet. A" Estes 1983 squamates
Paramacellodus keebleri Nydam and Cifelli 2002 squamates | |
? Glyptops pervicax Hay 1908 turtle | |
Testudines "indet. A" Batsch 1788 turtle
Testudines indet. Batsch 1788 turtle | |
Naomichelys speciosa Hay 1908 turtle | |
| |
Crocodylia indet. Owen 1842 crocodilian | |
cf. Pholidosauridae indet. von Zittel and Eastman 1902 crocodilian | |
cf. Goniopholididae indet. Cope 1875 crocodilian | |
"cf. Bernissartidae indet." = Bernissartiidae
"cf. Bernissartidae indet." = Bernissartiidae Dollo 1883 crocodilian | |
| |
? Titanosauriformes indet. Salgado et al. 1997 sauropod | |
Theropoda "indet. A" Marsh 1881 theropod
Theropoda "indet. B" Marsh 1881 theropod
Theropoda indet. Marsh 1881 theropod
Tetanurae indet. Gauthier 1986 tetanuran theropod | |
Aves | |
? Aves indet. bird | |
Reptilia | |
Deinonychus antirrhopus Ostrom 1969 maniraptoran | |
Ornithischia indet. Seeley 1888 ornithischian
Ankylosauria indet. Osborn 1923 ankylosaur | |
"Sauropelta edwardsi" = Sauropelta edwardsorum
"Sauropelta edwardsi" = Sauropelta edwardsorum Ostrom 1970 ankylosaur | |
Tenontosaurus tilletti Ostrom 1970 ornithopod | |
cf. Zephyrosaurus sp. Sues 1980 ornithischian | |
Amphibia | |
Amphibia indet. tetrapod | |
Caudata indet. Scopoli 1777 salamander | |
cf. Scapherpetontidae indet. Auffenberg and Goin 1959 salamander | |
Batrachosauroididae indet. Auffenberg 1958 salamander | |
Anura "indet. A" Fischer von Waldheim 1813 frog
Anura indet. Fischer von Waldheim 1813 frog
cf. Scotiophryne sp. Estes 1969 frog | |
| |
Osteichthyes | |
? Ceratodus sp. Agassiz 1838 lungfish
Ceratodus frazieri Ostrom 1970 lungfish
Ceratodus cf. guentheri Marsh 1878 lungfish | |
Gnathostomata | |
Actinopterygii indet. ray-finned fish | |
Actinopteri | |
aff. Pycnodontidae indet. Agassiz 1833 | |
Amiiformes indet. Hay 1929 bowfin | |
Amiidae "indet. A" Huxley 1861 bowfin
Vidalamiinae indet. Grande and Bemis 1998 bowfin | |
Semionotiformes indet. Arambourg and Bertin 1958 | |
aff. Lepidotes sp. Agassiz 1832 gar | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Malacostraca | |
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