Mammalia - Artiodactyla - Protoceratidae

Alternative combinations: Blastomeryx texanus, Cranioceras texanus, Dromomeryx texanus, Syndyoceras texanus

Synonyms: Dromomeryx angustidens Hay 1924, Merycodus grandis Hay 1924, Syndyoceras australis White 1941, Synthetoceras (Prosynthetoceras) australis White 1941, Synthetoceras (Prosynthetoceras) douglasi White 1947, Synthetoceras rileyi Frick 1937

Full reference: O. P. Hay. 1924. Description of some fossil vertebrates from the Upper Miocene of Texas. Proceedings of the Biological Society of Washington 37:1-18

Belongs to Prosynthetoceras according to S. D. Webb et al. 2003

See also Albright 1999, Frick 1937, Hay 1924, Janis and Manning 1998, Maglio 1966, Olsen 1962, Patton 1967, Patton 1967, Patton 1969, Patton and Taylor 1971, Prothero 1998, White 1941, White 1947 and Wood and Wood 1937

Sister taxa: none

Type specimens:

• Prosynthetoceras texanus: Its type locality is Garvin Gully, which is in a Hemingfordian terrestrial horizon in the Oakville Formation of Texas
• Dromomeryx angustidens:
• Merycodus grandis: Its type locality is Garvin Gully, which is in a Hemingfordian terrestrial horizon in the Oakville Formation of Texas.
• Syndyoceras australis: pl. XV, figs. 2 and 2a, a mandible (a right lower jaw with p1 and p4-m3.). Its type locality is Thomas Farm, which is in a Hemingfordian terrestrial sandstone/claystone in the Alachua Formation of Florida.
• Synthetoceras (Prosynthetoceras) douglasi: MCZ 4065, a partial skull (badly crushed palate with P3 to M3 of both sides.). Its type locality is Thomas Farm, which is in a Hemingfordian terrestrial sandstone/claystone in the Alachua Formation of Florida.
• Synthetoceras rileyi: Its type locality is Akin Hill, which is in a Barstovian terrestrial horizon in the Fleming Formation of Texas.

Ecology: ground dwelling browser

Distribution:

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Specimen images are retrieved through the ePANDDA API.