†family Protoceratidae Marsh 1891 (protoceratid)

Mammalia - Artiodactyla - Protoceratidae

Full reference: O. C. Marsh. 1891. A horned artiodactyle (Protoceras celer) from the Miocene. The American Journal of Science and Arts, series 3 41(241):81-82

Parent taxon: Ruminantiamorpha according to M. Spaulding et al. 2009

See also Carroll 1988, Cook 1934, Hulbert and Whitmore 2006, Marsh 1891, Prothero and Ludtke 2007, Scott 1940, Thurmond and Jones 1981 and Webb et al. 2003

Sister taxon: Ruminantia

Subtaxa: Calops Heteromeryx Leptoreodon Leptotragulinae Leptotragulus Poabromylus Protoceratinae Pseudoprotoceras Synthetoceratinae Toromeryx Trigenicus

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Ecology: ground dwelling browser

Distribution:

• Pliocene of United States (1: North Carolina collection)

• Hemphillian of United States (5: Alabama, Florida, North Carolina)

• Miocene of Canada (1: Saskatchewan), Mexico (3), Panama (7), United States (56: California, Florida, Louisiana, Maryland, Nebraska, New Jersey, South Dakota, Texas)

• Harrisonian of United States (8: Nebraska, Wyoming)

• Arikareean of Panama (1), United States (2: Nebraska, South Dakota)

• Oligocene of Canada (4: Saskatchewan), United States (6: Florida, North Dakota, South Dakota)

• Eocene of Canada (7: Saskatchewan), Mexico (1), United States (115: California, Colorado, Georgia, Montana, Nebraska, New Mexico, South Dakota, Texas, Utah, Wyoming)

Total: 217 collections including 251 occurrences

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