University of Kansas Museum of Natural History Locality 32 (Eocene of the United States)

Also known as South Fork of Elk Creek

Where: Big Horn County, Wyoming (44.3° N, 108.0° W: paleocoordinates 49.0° N, 90.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

• "lower Gray Bull beds of the Willwood Formation"

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: F. S. Szalay. 1969. Mixodectidae, Microsyopidae, and the insectivore-primate transition. Bulletin of the American Museum of Natural History 140(4):193-330 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88208: authorized by John Alroy, entered by John Alroy on 03.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Primates - Microsyopidae
"Microsyops wilsoni n. sp." = Arctodontomys wilsoni
"Microsyops wilsoni n. sp." = Arctodontomys wilsoni Szalay 1969 primate