ammonites
Eden (Eocene of the United States)

Where: Sweetwater County, Wyoming (42.1° N, 109.4° W: paleocoordinates 44.8° N, 98.1° W)

• coordinate estimated from map

When: Bridger Formation, Middle Eocene (48.6 - 37.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: original phosphate

Primary reference: A. Feduccia and L. D. Martin. 1976. The Eocene zygodactyl birds of North America (Aves: Piciformes). Smithsonian Contributions to Paleobiology 27:101-110 [M. Uhen/M. Uhen/M. Uhen] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 81458: authorized by Mark Uhen, entered by Mark Uhen on 24.06.2008