Mammalia - Artiodactyla - Anthracotheriidae

Alternative combinations: Anthracotherium gibbiceps, Octacodon gibbiceps

Full reference: O. C. Marsh. 1894. Miocene artiodactyles from the eastern Miohippus beds. American Journal of Science 48(284):175-178

Belongs to Heptacodon according to J. R. Macdonald 1956

See also Hay 1902, Marsh 1894, Scott 1940 and Troxell 1921

Sister taxa: Heptacodon curtus, Heptacodon occidentale, Heptacodon occidentalis, Heptacodon pellionis, Heptacodon yeguaensis

Type specimen: Its type locality is Hermosa (Oligocene), which is in a Whitneyan terrestrial horizon in the Brule Formation of South Dakota

Distribution: found only at Hermosa (Oligocene)

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Specimen images are retrieved through the ePANDDA API.