Mammalia - Artiodactyla - Merycoidodontidae

Alternative combinations: Cyclopidius heterodon, Pithecistes heterodon

Full reference: E. D. Cope. 1877. Descriptions of New Vertebrata from the Upper Tertiary Formations of the West. Proceedings of the American Philosophical Society 17:219-231

Belongs to Sespia according to J. M. Hoffman and D. R. Prothero 2004

See also CoBabe 1996, Cope 1877, Cope 1884, Hay 1902, Lander 1998, Loomis 1925, Schultz and Falkenbach 1968, Stevens and Stevens 2007 and Thorpe 1937

Sister taxa: none

Type specimen: right maxilla with P4 and M1, a maxilla

Ecology: ground dwelling herbivore

Distribution: found only at Fort Logan ( of Montana)

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Specimen images are retrieved through the ePANDDA API.