Sawyer Quarry (Miocene of the United States)

Where: Cherry County, Nebraska (42.8° N, 100.8° W: paleocoordinates 43.4° N, 97.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Devil's Gulch Member (Valentine Formation), Barstovian (16.3 - 12.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

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

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18361: authorized by John Alroy, entered by John Alroy on 12.04.1997, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• 115 F:AM specimens: Skinner and Johnson 1984
Woodburne 1996a and Wang et al. 1999 both claim this is in the Devil's Gulch, but Skinner and Johnson 1984 state that it is "near the top" of the Crookston Bridge
Mammalia
 Perissodactyla - Equidae
"Hippotherium quinni" = Cormohipparion quinni1
"Hippotherium quinni" = Cormohipparion quinni1 Woodburne 1996 hipparionine horse
 Perissodactyla - Rhinocerotidae
Teleoceras medicornutum2 Osborn 1904 rhinoceros
Peraceras superciliosum2 Cope 1880 rhinoceros
Aphelops megalodus2 Cope 1873 rhinoceros
"exceptionally large"
 Carnivora - Canidae
Aelurodon ferox Leidy 1858 bone-crushing dog