Oshkosh Quarry (Miocene to of the United States)

Also known as Gd-10

Where: Garden County, Nebraska (41.4° N, 102.4° W: paleocoordinates 41.8° N, 100.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Ash Hollow Formation, Clarendonian to Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Primary reference: M. R. Voorhies. 1990. Vertebrate biostratigraphy of the Ogallala Group in Nebraska. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 115-151 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18305: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOT in clear superposition with any other locality
"Osteoborus sp." and "Canis davisi" were listed by Breyer, but these are omitted by Voorhies

not listed by Voorhies: "Dinohippus cf. interpolatus"; Astrohippus ansae
Show authors, comments, and common names
Mammalia
 Megatherioidea - Megalonychidae
Megalonychidae indet.
Megalonychidae indet. Gervais 1855 edentate
see also Hirschfeld 1981
 Proboscidea - Gomphotheriidae
Amebelodon fricki
Amebelodon fricki Barbour 1927 gomphothere
UNL No. 1-28-6-37; probably same as specimen listed by Barbour and Hibbard 1941
 Rodentia - Sciuridae
Spermophilus sp.
Spermophilus sp. Cuvier 1825 ground squirrel
 Lagomorpha - Leporidae
Archaeolaginae indet.1
 Perissodactyla - Rhinocerotidae
Teleoceras sp., Aphelops mutilus3
Teleoceras sp. Hatcher 1894 rhinoceros
Aphelops mutilus3 Matthew 1924 rhinoceros
p. 17
 Perissodactyla - Equidae
Pliohippus nobilis, Calippus "large", Neohipparion cf. leptode2, Nannippus sp.3
Pliohippus nobilis Osborn 1918 horse
Calippus "large" Matthew and Stirton 1930 horse
Neohipparion cf. leptode2 Merriam 1915 hipparionine horse
Voorhies and Leite claim this is eurystyle but are probably wrong
Nannippus sp.3 Matthew 1926 hipparionine horse
p. 22
 Artiodactyla - Antilocapridae
Texoceros cf. guymonensis
Texoceros cf. guymonensis Frick 1937 pronghorn
 Artiodactyla - Dromomerycidae
Pediomeryx sp.
Pediomeryx sp. Stirton 1936 ruminant
 Artiodactyla - Tayassuidae
Prosthennops serus
Prosthennops serus Cope 1877 peccary
includes "P. graffhami" of Schultz and Martin 1975a
 Artiodactyla - Camelidae
Megatylopus sp., "Hemiauchenia cf. vera" = Pleiolama vera
Megatylopus sp. Matthew and Cook 1909 camel
"Hemiauchenia cf. vera" = Pleiolama vera Matthew 1909 camel
 Carnivora - Canidae
Vulpes cf. stenognathus
Vulpes cf. stenognathus Savage 1941 fox
 Carnivora - Mustelidae
Sthenictis sp.
Sthenictis sp. Peterson 1910 mustelid carnivore
1Alroy 2002; 2Breyer 1985; 3Leite 1990