CM 216 (Eocene of the United States)

Where: Fremont/Natrona County, Wyoming (43.2° N, 107.7° W: paleocoordinates 47.9° N, 90.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: A. D. Redline. 1997. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 13. Systematics and phylogenetic pattern of early Eocene Hyopsodus (Mammalia: Condylarthra). Annals of Carnegie Museum 66(1):1-81 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 15922: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• no other data given; geographic location is a guess
Mammalia
 Ungulata - Hyopsodontidae
Hyopsodus walcottianus Matthew 1915 condylarth
 Ungulata - Diacodexeidae
Diacodexis secans Cope 1881 even-toed ungulate
"lineage segment Diacodexis secans-secans"