†subfamily Ustatochoerinae Stevens and Stevens 1996 (oreodont)

Mammalia - Ungulata - Merycoidodontidae

Full reference: M. S. Stevens and J. B. Stevens. 1996. Merycoidodontinae and Miniochoerinae. The Terrestrial Eocene-Oligocene Transition in North America 498-573

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

See also Stevens and Stevens 1996

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

Subtaxa: Mediochoerus Ustatochoerus

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Ecology: ground dwelling herbivore

Distribution:

• Hemphillian of United States (2: Nebraska collections)

• Miocene of United States (111: California, Colorado, Kansas, Nebraska, Nevada, New Mexico, Oklahoma, South Dakota, Texas, Wyoming)

• Arikareean of United States (3: Texas)

Total: 116 collections including 123 occurrences

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