PBDB Collection

Bear Creek 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 (12.5 - 9.4 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 18042: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• "at least 258" F:AM specimens: Skinner and Johnson 1984
equids: Hulbert 1989 pers. commun.
"Ustatochoerus major" Schultz and Falkenbach 1941: "Spring Canyon at mouth of Bear Creek" in Cherry Co.

Show authors, comments, and common names

Mammalia
Carnivora - Canidae	Aelurodon taxoides, Paratomarctus euthos, Epicyon saevus, Cynarctus crucidens, Leptocyon matthewi n. sp.⁵ Aelurodon taxoides Hatcher 1894 bone-crushing dog Paratomarctus euthos McGrew 1935 bone-crushing dog Epicyon saevus Leidy 1858 bone-crushing dog also "Bear Creek Quarry slide" Cynarctus crucidens Barbour and Cook 1914 bone-crushing dog Leptocyon matthewi n. sp.⁵ Tedford et al. 2009 canine
Perissodactyla - Equidae	Pseudhipparion gratum², Hipparion cf. tehonense¹, Protohippus supremus², Calippus placidus², Calippus martini², Pliohippus pernix² Pseudhipparion gratum² Leidy 1869 hipparionine horse pers. commun. Hipparion cf. tehonense¹ Merriam 1916 hipparionine horse JA pers. obs. 1/93 Protohippus supremus² Leidy 1869 horse pers. commun. Calippus placidus² Leidy 1869 horse pers. commun. Calippus martini² Hesse 1936 horse pers. commun. Pliohippus pernix² Marsh 1874 horse pers. commun.
Perissodactyla - Rhinocerotidae	Teleoceras major³ Teleoceras major³ Hatcher 1894 rhinoceros
Artiodactyla - Merycoidodontidae	"Merychyus novomexicanus" = Ustatochoerus medius novomexicanus¹ "Merychyus novomexicanus" = Ustatochoerus medius novomexicanus¹ Frick 1929 oreodont
Artiodactyla - Tayassuidae	Macrogenis sp.⁶ Macrogenis sp.⁶ Wright 1993 peccary new Leptarctus Quarry species
Artiodactyla - Camelidae	Procamelus occidentalis⁴ Procamelus occidentalis⁴ Leidy 1858 camel "above the Cap Rock... along Bear Creek, Cherry County"
Artiodactyla - Moschidae	Longirostromeryx wellsi¹ Longirostromeryx wellsi¹ Matthew 1904 musk deer
Artiodactyla - Palaeomerycidae	Cranioceras unicornis¹ Cranioceras unicornis¹ Matthew 1918 ruminant

¹Alroy 2002; ²Hulbert 1989; ³Prothero 2005; ⁴Skinner et al. 1977; ⁵Tedford et al. 2009; ⁶Wright 1983