White Buttes (Chadronian) (Eocene of the United States)

Where: Stark County, North Dakota (46.9° N, 102.8° W: paleocoordinates 48.2° N, 93.5° W)

• coordinate based on political unit

When: Chadronian (37.2 - 33.9 Ma)

Environment/lithology: terrestrial

Primary reference: X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 17042: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Canidae
Hesperocyon gregarius Cope 1873 canid
"block of dark bentonite from west side of Chalking Buttes, Chadronian (?)"
Reptilia
 Testudines - Pantrionychidae
Trionyx punctiger n. sp. Cope 1891 turtle