Canyon Ferry Reservoir Earl Douglass Location (Miocene of the United States)

Where: Broadwater County, Montana (46.1° N, 111.3° W: paleocoordinates 47.0° N, 107.4° W)

• coordinate based on political unit

When: Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Primary reference: T. E. White. 1954. Preliminary Analysis of the Fossil Vertebrates of the Canyon Ferry Reservoir Area. Proceedings of the United States National Museum 103(3326):395-438 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 17885: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Jonathan Marcot and Evangelos Vlachos

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Equidae
? Merychippus missouriensis n. sp.2 Douglass 1908 horse
referred to as an "advanced... Merychippus" by White (1954)
 Artiodactyla - Merycoidodontidae
"Promerycochoerus grandis n. sp." = Megoreodon grandis5, Desmatochoerus hatcheri n. sp.4, Merycoides cursor n. gen. n. sp.1
"Promerycochoerus grandis n. sp." = Megoreodon grandis5 Douglass 1907 oreodont
Desmatochoerus hatcheri n. sp.4 Douglass 1907 oreodont
CM 1303; collected by Earl Douglass, 1902
Merycoides cursor n. gen. n. sp.1 Douglass 1907 oreodont
Reptilia
 Testudines - Testudinidae
"Testudo inusitata n. sp." = Stylemys inusitata3
"Testudo inusitata n. sp." = Stylemys inusitata3 Hay 1906 turtle
CM 311 (holotype), a partial shell (Hay 1906b, pls. 3–4; Hay 1908, pl. 68)