Hans Johnson 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: C. B. Schultz, M. Schultz, and L. D. Martin. 1970. A new Tribe of Saber-toothed cats (Barbourofelini) from the Pliocene of North America. Bulletin of the Nebraska State Museum 9(1):1-31 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 18214: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• 167 F:AM specimens: Skinner and Johnson 1984
Antilocaprini indet.2
postcrania listed under "Plioceros floblairi"
 Perissodactyla - Rhinocerotidae
Teleoceras major6 Hatcher 1894 rhinoceros
"Hans Johnson Place"
Aphelops megalodus6 Cope 1873 rhinoceros
 Perissodactyla - Equidae
Hippotherium sp.1 Kaup 1832 hipparionine horse
JA pers. obs.: new small, short notch species
Cormohipparion matthewi10 Woodburne 2007 hipparionine horse
"Hippotherium occidentale" = Cormohipparion occidentale5 Leidy 1856 hipparionine horse
confirmed by Woodburne 1996a
Pseudhipparion skinneri4 Webb and Hulbert 1986 hipparionine horse
pers. commun.
Neohipparion trampasense3 Edwards 1982 hipparionine horse
Calippus cerasinus4 Hulbert 1988 horse
pers. commun.
 Carnivora - Barbourofelidae
Barbourofelis morrisi Schultz et al. 1970 carnivoran
 Carnivora - Canidae
Eucyon skinneri n. sp.8 Tedford et al. 2009 canine
Aelurodon taxoides9 Hatcher 1894 bone-crushing dog
"Hans Johnson Place"
Epicyon saevus9 Leidy 1858 bone-crushing dog
Epicyon haydeni9 Leidy 1858 bone-crushing dog
 Ungulata - Merycoidodontidae
"Merychyus major" = Ustatochoerus major1
"Merychyus major" = Ustatochoerus major1 Leidy 1858 oreodont
 Ungulata - Gelocidae
Pseudoceras skinneri2 Frick 1937 ruminant
also includes "P. potteri" type of Frick 1937
 Ungulata - Palaeomerycidae
Cranioceras unicornis1 Matthew 1918 ruminant
 Ungulata - Moschidae
Parablastomeryx gregorii7 Frick 1937 musk deer