Raw Hide Buttes (Lower Harrison) ( of the United States)

Where: Niobrara County, Wyoming (43.0° N, 104.5° W: paleocoordinates 43.9° N, 99.4° W)

• coordinate based on political unit

When: Harrisonian (24.8 - 20.4 Ma)

Environment/lithology: terrestrial

Primary reference: A. S. Romer and J. T. McCormack. 1928. A large Palaeocastor from the Lower Miocene. The American Journal of Science, series 5 15(85):58-60 [J. Alroy/J. Alroy/M. Carrano]more details

PaleoDB collection 17821: authorized by John Alroy, entered by John Alroy on 26.03.1995

Creative Commons license: CC BY (attribution)

Taxonomic list

• said to be Converse Co., but records appear to predate change in county lines
thought by Wang et al. 1999 to more likely be in an Upper Harrison equivalent
level unknown: Stenomylus gracilis Frick 1937: "E. of Raw Hide Butte" Menoceras "cooki" Troxell 1921f: "near Rawhide Buttes, Wyoming"
Mammalia
 Rodentia - Castoridae
"Palaeocastor magnus n. sp." = Fossorcastor fossor, "Nannasfiber osmagnus" = Pseudopalaeocastor osmagnus4, Euhapsis ellicottae4
"Palaeocastor magnus n. sp." = Fossorcastor fossor Peterson 1905 beaver
"Nannasfiber osmagnus" = Pseudopalaeocastor osmagnus4 Xu 1996 beaver
"Near Rawhide Buttes, Goshen County... lower Harrison formation"
Euhapsis ellicottae4 Martin 1987 beaver
"Near Rawhide Buttes, Goshen County... lower Harrison formation"
 Perissodactyla - Equidae
"Anchitherium agatensis" = Kalobatippus agatensis1
"Anchitherium agatensis" = Kalobatippus agatensis1 Osborn 1918 anchitheriine horse
 Carnivora - Canidae
"Aletocyon multicuspus n. sp." = Phlaocyon multicuspus2
"Aletocyon multicuspus n. sp." = Phlaocyon multicuspus2 Romer and Sutton 1927 bone-crushing dog
 Ungulata - Merycoidodontidae
Promerycochoerus carrikeri3 Peterson 1907 oreodont