USNM Loc. 43418 (Cretaceous to of the United States)

Also known as MTC WY-08005

Where: Park County, Wyoming (44.5° N, 109.0° W: paleocoordinates 44.2° 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• coordinate based on unpublished field data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

•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; gray, green, sandy claystone

• "Green-gray sandy claystone with some lamination"

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 137594: authorized by Matthew Carrano, entered by Matthew Carrano on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Crocodylia -
Crocodylia indet. Owen 1842 crocodilian
 Ornithischia -
Ornithischia indet. Seeley 1888 ornithischian
 Saurischia -
? Titanosauriformes indet. Salgado et al. 1997 sauropod