Jonas Wilson Quarry (Miocene of the United States)

Where: Brown County, Nebraska (42.7° N, 100.0° W: paleocoordinates 43.1° N, 97.4° 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 18468: authorized by John Alroy, entered by John Alroy on 05.08.1992

Creative Commons license: CC BY (attribution)

Taxonomic list

• "more than 57" F:AM specimens: Skinner and Johnson 1984
 Perissodactyla - Equidae
Pseudhipparion gratum3 Leidy 1869 hipparionine horse
pers. commun.
Pseudhipparion skinneri4 Webb and Hulbert 1986 hipparionine horse
 Carnivora - Canidae
Aelurodon taxoides Hatcher 1894 bone-crushing dog
"J. Wilson Ranch, 4 mi north of Johnstown"
Epicyon saevus Leidy 1858 bone-crushing dog
also "Jonas Wilson Place"
Epicyon haydeni Leidy 1858 bone-crushing dog
 Ungulata - Merycoidodontidae
"Merychyus major" = Ustatochoerus major1
"Merychyus major" = Ustatochoerus major1 Leidy 1858 oreodont
 Ungulata - Gelocidae
"Pseudoceras wilsoni n. sp." = Pseudoceras skinneri2
"Pseudoceras wilsoni n. sp." = Pseudoceras skinneri2 Frick 1937 ruminant
 Ungulata - Antilocapridae
Plioceros floblairi2 Frick 1937 pronghorn
"tentatively referred"; from "J. Wilson Ranch"