†subfamily Merychyinae Simpson 1945 (oreodont)

Mammalia - Artiodactyla - Merycoidodontidae

Full reference: G. G. Simpson. 1945. The principles of classification and a classification of mammals. Bulletin of the American Museum of Natural History 85:1-350

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

See also Parris and Grandstaff 2003, Schultz and Falkenbach 1947 and Simpson 1945

Sister taxa: Aclistomycterinae, Brachycrurinae, Desmatochoerinae, Eporeodontinae, Leptaucheniinae, Merycochoerinae, Merycoidodontinae, Miniochoerinae, Oreonetinae, Phenacocoelinae, Promerycochoerinae, Ticholeptinae, Ustatochoerinae, Eucrotaphus, Diplotremus

Subtaxa: Merychyus Oreodontoides Paramerychyus

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Ecology: ground dwelling herbivore

Distribution:

• Miocene of Canada (1: Saskatchewan collection), Mexico (2), United States (151: California, Colorado, Idaho, Kansas, Louisiana, Montana, Nebraska, Nevada, New Mexico, Oklahoma, Oregon, South Dakota, Texas, Wyoming)

• Harrisonian of United States (54: California, Florida, Montana, Nebraska, South Dakota, Texas, Wyoming)

• Arikareean of United States (30: Arizona, California, North Dakota, Oregon, South Dakota, Texas, Wyoming)

• Oligocene of United States (3: Nebraska, South Dakota)

Total: 241 collections including 251 occurrences

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