Mammalia - Artiodactyla - Merycoidodontidae
Synonym: Desmatochoerinae Schultz and Falkenbach 1954
Full reference: C. B. Schultz and C. H. Falkenbach. 1949. Promerycochoerinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 93(3):69-198
Parent taxon: Merycoidodontidae according to M. S. Stevens et al. 2023
See also Schultz and Falkenbach 1949, Schultz and Falkenbach 1954, Stevens and Stevens 1996 and Stevens and Stevens 2007
Sister taxa: Aclistomycterinae, Brachycrurinae, Eporeodontinae, Leptaucheniinae, Merychyinae, Merychyus pariogonus, Merycochoerinae, Merycoidodontinae, Miniochoerinae, Oreonetinae, Phenacocoelinae, Ticholeptinae, Ustatochoerinae, Diplotremus
Subtaxa: Desmatochoerus Megoreodon Promerycochoerus Pseudodesmatochoerus
Ecology: ground dwelling herbivore
Distribution:
• Miocene of United States (1: Oregon collection)
• Harrisonian of United States (19: Montana, Nebraska, South Dakota, Wyoming)
• Arikareean of United States (31: California, Idaho, Montana, Nebraska, Oregon, South Dakota, Wyoming)
• Oligocene of United States (19: Montana, Nebraska, New Mexico, Oregon, South Dakota, Washington)
Total: 70 collections including 100 occurrences