USNM Loc. 42225 (Cretaceous to of the United States)

Also known as MTC WY-09001

Where: Park County, Wyoming (44.5° N, 109.0° W: paleocoordinates 44.1° N, 61.0° W)

• coordinate estimated from map

• 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, blue claystone

• "Green-gray and blue-gray flaggy claystones"

Size class: mesofossils

Collected by M. Carrano in 2009; 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 137603: authorized by Matthew Carrano, entered by Matthew Carrano on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Osteichthyes -
Osteichthyes indet. Huxley 1880 bony fish