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 (12.5 - 9.4 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
unclassified
  -
Antilocaprini indet.2
postcrania listed under "Plioceros floblairi"
Mammalia
 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
Neohipparion trampasense3 Edwards 1982 hipparionine horse
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.
Calippus cerasinus4 Hulbert 1988 horse
pers. commun.
 Artiodactyla - Gelocidae
Pseudoceras skinneri2 Frick 1937 ruminant
also includes "P. potteri" type of Frick 1937
 Artiodactyla - Palaeomerycidae
Cranioceras unicornis1 Matthew 1918 ruminant
 Artiodactyla - Moschidae
Parablastomeryx gregorii7 Frick 1937 musk deer
 Artiodactyla - Merycoidodontidae
"Merychyus major" = Ustatochoerus major1
"Merychyus major" = Ustatochoerus major1 Leidy 1858 oreodont
 Carnivora - Nimravidae
Barbourofelis morrisi Schultz et al. 1970 false sabre-tooth
 Carnivora - Canidae
Aelurodon taxoides9 Hatcher 1894 bone-crushing dog
"Hans Johnson Place"
Epicyon haydeni9 Leidy 1858 bone-crushing dog
Epicyon saevus9 Leidy 1858 bone-crushing dog
Eucyon skinneri n. sp.8 Tedford et al. 2009 canine