Powder River (UCM 85278) (Eocene of the United States)

Where: Johnson County, Wyoming (44.0° N, 106.6° W: paleocoordinates 48.5° N, 89.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in 1981, 1983; reposited in the UCM

Collection methods: anthill,

Primary reference: P. Robinson and L. D. Ivy. 1994. Paromomyidae (?Dermoptera) from the Powder River Basin, Wyoming and a discussion of microevolution in closely related species. Contributions to Geology, University of Wyoming 30(1):91-116 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 16044: authorized by John Alroy, entered by John Alroy on 05.01.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Primates - Notharctidae
Cantius ralstoni Matthew 1915 primate
may be only at UCM 85277 instead
 Primates - Paromomyidae
Simpsonlemur sp. Robinson and Ivy 1994 primate
form "C"
Pulverflumen magnificum Robinson and Ivy 1994 primate