Mammalia - Artiodactyla - Agriochoeridae
Full reference: J. Leidy. 1869. The extinct mammalian fauna of Dakota and Nebraska, including an account of some allied forms from other localities, together with a synopsis of the mammalian remains of North America. Journal of the Academy of Natural Sciences, Philadelphia 2:1-472
Parent taxon: Ruminantia according to W. D. Matthew 1908
See also Carroll 1988, Emery et al. 2016, Ferrusquia-Villafranca 1969, Hay 1902, Lambe 1908, Lofgren et al. 2020, McKenna and Bell 1997, Scott 1913, Scott 1940 and Thewissen et al. 2001
Sister taxa: Andegamerycidae, Anoplotheriadae, Delahomeryx, Giraffoidea, Hispanomerycidae, Krabitherium, Merycotherium, Mosaicomeryx, Paalitherium, Palaeohypsodontus, Pecora, Prodremotherium, Sanitherium, Thandaungia, Tragulina
Subtaxa: Agriochoerinae Agriochoerus Diplobunops Protoreodon Protoreodontinae
Ecology: scansorial herbivore
Distribution:
• Miocene of United States (1: Montana collection)
• Arikareean of United States (4: Nebraska, Oregon, South Dakota)
• Oligocene of Canada (3: Saskatchewan), United States (17: Montana, Oregon, South Dakota)
• Eocene to Oligocene of United States (1: Utah)
• Eocene of Canada (5: Saskatchewan), Mexico (1), United States (125: Arkansas, California, Colorado, Montana, Nebraska, New Mexico, Oregon, South Dakota, Texas, Utah, Wyoming)
Total: 157 collections including 185 occurrences