Boysen Reservoir (Gazin's Esthonyx) (Eocene of the United States)

Where: Fremont County, Wyoming (43.2° N, 108.2° W: paleocoordinates 48.0° N, 91.4° W)

• coordinate based on political unit

When: "Lost Cabin beds" Member (Wind River Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: C. L. Gazin. 1953. The Tillodontia: an early Tertiary order of mammals. Smithsonian Miscellaneous Collections 121(10):1-110 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 15911: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• not described by White 1952, but only about 5 mi E of 48FR76
Show authors, comments, and common names
Mammalia
 Cimolesta - Esthonychidae
Esthonyx acutidens
Esthonyx acutidens Cope 1881 tillodont
"not far from, and a little lower than" Eotitanops specimen
 Perissodactyla - Brontotheriidae
Eotitanops sp.
Eotitanops sp. Osborn 1907 brontothere