Horse Thief Canyon No. 1/2 (Miocene of the United States)

Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.1° N, 97.4° W)

• coordinate based on political unit

When: Cap Rock Member (Ash Hollow Formation), Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial

Primary reference: R. M. Hunt, Jr. 1998. Amphicyonidae. 196-227 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 18204: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• number of specimens not clear; localities lumped because early collections did not distinguish them: Skinner and Johnson 1984
Mammalia
 Perissodactyla - Equidae
Pliohippus pernix4 Marsh 1874 horse
Supplemental Table S1: "Canyon 1"
Calippus martini3 Hesse 1936 horse
pers. commun.
 Carnivora - Amphicyonidae
Pseudocyon sp. Lartet 1851 bear-dog
"Horsethief Canyon no. 2"
 Proboscidea - Gomphotheriidae
Eubelodon morrilli5 Barbour 1914 gomphothere
No. 2
 Ungulata - Merycoidodontidae
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus1
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus1 Frick 1929 oreodont
 Ungulata - Antilocapridae
Cosoryx furcatus2 Leidy 1869 pronghorn
"No. 1 lower zone"
 Ungulata - Moschidae
Longirostromeryx wellsi1 Matthew 1904 musk deer