†Cosoryx (Subcosoryx) Frick 1937 (pronghorn)
Mammalia - Artiodactyla - Antilocapridae
Full reference: C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669
Parent taxon: Cosoryx according to C. Frick 1937
Sister taxa: Cosoryx (Paracosoryx), Cosoryx (Subparacosoryx), Cosoryx furcatus, Cosoryx ilfonsensis
Subtaxa: Cosoryx (Subcosoryx) cerroensis
Ecology: ground dwelling grazer
Distribution:
• Pliocene of United States (1: Oklahoma collection)
• Miocene of United States (34: California, New Mexico, Washington)
Total: 35 collections each including a single occurrence