†subfamily Protoceratinae (protoceratid)

Mammalia - Ungulata - Protoceratidae

Parent taxon: Protoceratidae according to S. D. Webb et al. 2003

See also Hay 1902, Matthew 1908, Prothero 1998, Prothero and Ludtke 2007 and Webb 1981

Sister taxa: Calops, Heteromeryx, Leptoreodon, Leptotragulinae, Leptotragulus, Poabromylus, Pseudoprotoceras, Synthetoceratinae, Toromeryx, Trigenicus

Subtaxa: Paratoceras Protoceras

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Type: Protoceras

Ecology: ground dwelling browser

Distribution:

• Miocene of Mexico (2 collections), Panama (7), United States (4: Texas)

• Harrisonian of United States (1: Wyoming)

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

• Oligocene of Canada (4: Saskatchewan), United States (5: North Dakota, South Dakota)

Total: 26 collections each including a single occurrence

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