Alternative combination: Osteoborus orc
Full reference: S. D. Webb. 1969. The Pliocene Canidae of Florida. Bulletin of the Florida State Museum 14(4):273-308
Type specimen: UF 13180, a mandible. Its type locality is Withlacoochee River Site 4A, which is in a Hemphillian pond claystone in Florida.
Ecology: ground dwelling carnivore
Average measurements (in mm): m1 22.1 x 9.3