USNM Loc. 43420 (Cretaceous to of the United States)

Also known as MTC WY-08007

Where: Park County, Wyoming (44.4° N, 109.1° W: paleocoordinates 44.1° N, 61.0° 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• coordinate based on unpublished field data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

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; gray, green claystone

• "Green-gray flaggy claystone"

Size class: mesofossils

Collected by M. Carrano in 2008; reposited in the USNM

Collection methods: bulk, surface (float), 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 137595: authorized by Matthew Carrano, entered by Matthew Carrano on 18.12.2012, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

 Osteichthyes -
Osteichthyes indet. Huxley 1880 bony fish
Actinopterygii indet. ray-finned fish
 Holostei -
 Neopterygii -
Semionotiformes indet. Arambourg and Bertin 1958
 Salientia -
Anura "indet. A" Fischer von Waldheim 1813 frog
Anura indet. Fischer von Waldheim 1813 frog
 Testudinata - Helochelydridae
Naomichelys speciosa Hay 1908 turtle
 Saurischia -
Theropoda "indet. A" Marsh 1881 theropod
 Loricata -
Mesoeucrocodylia indet. Whetstone and Whybrow 1983 crocodilian
 Loricata - Goniopholididae
cf. Goniopholididae indet. Cope 1875 crocodilian
 Loricata - Pholidosauridae
cf. Pholidosauridae indet. von Zittel and Eastman 1902 crocodilian
 Loricata - Bernissartiidae
"cf. Bernissartidae indet." = Bernissartiidae
"cf. Bernissartidae indet." = Bernissartiidae Dollo 1883 crocodilian