Silica Mine (Miocene of the United States)

Where: Norton County, Kansas (39.6° N, 99.7° W: paleocoordinates 40.1° N, 96.5° W)

• coordinate based on political unit

When: Ogallala Group, Barstovian (16.3 - 12.5 Ma)

• "?late Barstovian" (Wang et al. 1999)

• group of beds-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: general faunal/floral analysis

PaleoDB collection 18373: authorized by John Alroy, entered by John Alroy on 17.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Carnivora - Canidae
Carpocyon compressus Cope 1890 bone-crushing dog
 Artiodactyla - Antilocapridae
Ramoceros osborni Matthew 1904 pronghorn