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 (12.5 - 9.4 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
Show authors, comments, and common names
Mammalia
 Proboscidea - Gomphotheriidae
Eubelodon morrilli5
Eubelodon morrilli5 Barbour 1914 gomphothere
No. 2
 Carnivora - Amphicyonidae
Pseudocyon sp.
Pseudocyon sp. Lartet 1851 bear-dog
"Horsethief Canyon no. 2"
 Perissodactyla - Equidae
Calippus martini3, Pliohippus pernix4
Calippus martini3 Hesse 1936 horse
pers. commun.
Pliohippus pernix4 Marsh 1874 horse
Supplemental Table S1: "Canyon 1"
 Artiodactyla - Merycoidodontidae
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus1
"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus1 Frick 1929 oreodont
 Artiodactyla - Moschidae
Longirostromeryx wellsi1
Longirostromeryx wellsi1 Matthew 1904 musk deer
 Artiodactyla - Antilocapridae
Cosoryx furcatus2
Cosoryx furcatus2 Leidy 1869 pronghorn
"No. 1 lower zone"
1Alroy 2002; 2Frick 1937; 3Hulbert 1989; 4Mihlbachler et al. 2011; 5Skinner and Johnson 1984