Mammalia - Artiodactyla - Merycoidodontidae
Full reference: C. B. Schultz and C. H. Falkenbach. 1940. Merycochoerinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 77(5):213-306
Parent taxon: Merycoidodontidae according to M. S. Stevens et al. 2023
See also Schultz and Falkenbach 1940, Schultz and Falkenbach 1968, Stevens and Stevens 1996 and Stevens and Stevens 2007
Sister taxa: Aclistomycterinae, Brachycrurinae, Eporeodontinae, Leptaucheniinae, Merychyinae, Merychyus pariogonus, Merycoidodontinae, Miniochoerinae, Oreonetinae, Phenacocoelinae, Promerycochoerinae, Ticholeptinae, Ustatochoerinae, Diplotremus
Subtaxa: Hypsiops Merycochoerus Submerycochoerus
Type: Merycochoerus
Ecology: ground dwelling herbivore
Distribution:
• Miocene of Canada (1: Saskatchewan collection), Panama (2), United States (20: Colorado, Nebraska, Oregon, Wyoming)
• Harrisonian of United States (15: Montana, Nebraska, Oregon, South Dakota, Wyoming)
• Arikareean of United States (7: Montana, North Dakota, Oregon, Wyoming)
• Oligocene of United States (5: Nebraska, Oregon)
Total: 50 collections including 55 occurrences