USNM Loc. 43636 (Cretaceous to of the United States)

Also known as MTC WY-10031

Where: Carbon County, Montana (45.3° N, 108.8° W: paleocoordinates 44.9° N, 60.4° 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• coordinate based on unpublished field data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 claystone

• "dark gray claystone"

Size class: mesofossils

Collected by M. Carrano in 2010; reposited in the USNM

Collection methods: surface (float),

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 137614: authorized by Matthew Carrano, entered by Matthew Carrano on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines -
 Ornithischia -
Ankylosauria indet. Osborn 1923 ornithischian