Ripple 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: Crookston Bridge 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 18345: authorized by John Alroy, entered by John Alroy on 19.05.2000, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• see Skinner and Johnson 1984 for locality details
Mammalia
 Carnivora - Amphicyonidae
Ischyrocyon sp.1 Matthew and Gidley 1904 bear-dog
Pseudocyon sp.1 Lartet 1851 bear-dog
 Carnivora - Canidae
Aelurodon mcgrewi Wang et al. 1999 bone-crushing dog
 Perissodactyla - Rhinocerotidae
Teleoceras medicornutum2 Osborn 1904 rhinoceros
Peraceras superciliosum2 Cope 1880 rhinoceros
Aphelops megalodus2 Cope 1873 rhinoceros