Merychyus Leidy 1858 (oreodont)

Mammalia - Artiodactyla - Merycoidodontidae

Synonym: Metoreodon Matthew and Cook 1909

Full reference: J. Leidy. 1858. Notice of Remains of Extinct Vertebrata, from the Valley of the Niobrara River, Collected during the Exploring Expedition of 1857, in Nebraska, under the Command of Lieut. G. K. Warren, U. S. Top. Eng., by Dr. F. V. Hayden, Geologist to the Expedition. Proceedings of the Academy of Natural Sciences of Philadelphia 10:15-89

Parent taxon: Merychyinae according to M. S. Stevens and J. B. Stevens 2007

See also Alroy 2002, Cope 1884, Lander 1998, Lander and Lindsay 2011, Morgan et al. 2009, Parris and Grandstaff 2003, Schultz and Falkenbach 1947 and Scott and Osborn 1890

Sister taxa: Oreodontoides, Paramerychyus

Subtaxa: Merychyus (Metoreodon) Merychyus arenarum Merychyus calaminthus Merychyus elegans Merychyus minimus Merychyus novomexicanus Merychyus relictus Merychyus siouxensis Merychyus smithi Merychyus verrucomalus

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Type: Merychyus elegans

Ecology: ground dwelling herbivore


• Miocene of Canada (1: Saskatchewan collection), Mexico (2), United States (150: California, Colorado, Idaho, Kansas, Louisiana, Montana, Nebraska, Nevada, New Mexico, Oklahoma, Oregon, South Dakota, Texas, Wyoming)

• Harrisonian of United States (37: California, Montana, Nebraska, South Dakota, Texas, Wyoming)

• Arikareean of United States (19: Arizona, California, North Dakota, Oregon, Texas, Wyoming)

Total: 209 collections including 219 occurrences

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Specimen images are retrieved through the ePANDDA API.

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