East Kat Quarry (Miocene of the United States)

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.3° N, 98.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Merritt Dam Member (Ash Hollow Formation), Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial

Primary reference: X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]more details

PaleoDB collection 18135: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• 152 F:AM specimens: Skinner and Johnson 1984
Mammalia
 Perissodactyla - Rhinocerotidae
Teleoceras major8 Hatcher 1894 rhinoceros
Aphelops megalodus8 Cope 1873 rhinoceros
 Perissodactyla - Equidae
Cormohipparion occidentale7 Leidy 1856 hipparionine horse
Supplemental Table S1
Pseudhipparion skinneri7 Webb and Hulbert 1986 hipparionine horse
Supplemental Table S1
Neohipparion trampasense4 Edwards 1982 hipparionine horse
Protohippus cf. gidleyi6 Hulbert 1988 horse
pers. commun.
Calippus cerasinus5 Hulbert 1988 horse
 Carnivora - Canidae
Epicyon saevus2 Leidy 1858 bone-crushing dog
confirmed by Wang et al. 1999
Epicyon haydeni Leidy 1858 bone-crushing dog
"East Kat Creek Quarry"
Paratomarctus euthos McGrew 1935 bone-crushing dog
 Ungulata - Merycoidodontidae
"Merychyus major" = Ustatochoerus major1
"Merychyus major" = Ustatochoerus major1 Leidy 1858 oreodont
 Ungulata - Tayassuidae
Macrogenis sp.9 Wright 1993 peccary
new Leptarctus Quarry species
 Ungulata - Gelocidae
Pseudoceras skinneri n. sp.3 Frick 1937 ruminant
 Ungulata - Palaeomerycidae
Cranioceras unicornis1 Matthew 1918 ruminant
 Ungulata - Antilocapridae
Plioceros floblairi3 Frick 1937 pronghorn
"tentatively referred"