Cedar Mountain (MPM 3077, Bridger E) (Eocene of the United States)

Where: Uinta County, Wyoming (41.1° N, 110.1° W: paleocoordinates 45.9° N, 96.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cedar Mountain ("Bridger E") Member (Bridger Formation), Bridgerian (50.3 - 46.2 Ma)

• from a section spanning about 100 feet of altitude

• member-level stratigraphic resolution

Environment/lithology: terrestrial; red siltstone

• "prominently red-banded siltstones"

Size class: macrofossils

Collection methods: bulk, surface (float), sieve,

• some screenwashing, but most material apparently surface collected

Primary reference: R. M. West and J. H. Hutchison. 1981. Milwaukee Public Museum Contributions in Biology and Geology 46 [J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 55207: authorized by John Alroy, entered by John Alroy on 28.09.2005, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Adocidae
"Baptemys wyomingensis" = Adocus wyomingensis
"Baptemys wyomingensis" = Adocus wyomingensis Leidy 1869 turtle
 Testudines - Pangeoemydidae
Bridgeremys pusilla Hay 1908 turtle
"Echmatemys septaria" = Echmatemys stevensoniana Leidy 1870 turtle