Mammalia - Artiodactyla - Antilocapridae
Full reference: J. C. Merriam. 1909. The Occurrence of Strepsicerine Antelopes In the Tertiary of Northwestern Nevada. University of California Publications Bulletin of the Department of Geology 5(22):319-330
Parent taxon: Antilocaprinae according to C. M. Janis and E. Manning 1998
See also Alroy 2002 and Carroll 1988
Sister taxa: Capromeryx, Ceratomeryx, Hexobelomeryx, Osbornoceros, Ottoceros, Proantilocapra, Stockoceratini, Tetrameryx
Subtaxa: Sphenophalos garciae Sphenophalos middleswarti Sphenophalos nevadanus
Type: Sphenophalos nevadanus
Ecology: ground dwelling browser-grazer
Distribution:
• Hemphillian of United States (14: Arizona, California, Florida, Nebraska, Nevada, Oregon collections)
• Miocene to Pliocene of United States (1: Nebraska)
• Miocene of United States (1: Oregon)
Total: 16 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.