Mammalia - Artiodactyla - Tayassuidae
Synonym: Dicotylinae Cope 1888
Parent taxon: Tayassuidae according to R. P. Dutra et al. 2017
See also Boisserie et al. 2005, Cope 1888, Hay 1902, McKenna and Bell 1997, Prothero 2021 and Wright 1998
Sister taxa: Aptenohyus, Colbertchoerus, Cynorca, Doliochoerinae, Hesperhyinae, Mckennahyus, Muknalia, Mylohyus, Perchoerus, Prochoerus, Prosthennops haroldcooki, Simojovelhyus, Thinohyus, Webbochoerus, Woodburnehyus
Subtaxa: Argyrohyus Dicotyles Dyseohyus Mylohyini Platygonini Prosthennops Stirtonhyus Tayassuini Tedfordhyus
Type: Tayassu
Ecology: ground dwelling herbivore-omnivore
Distribution:
• Quaternary of Argentina (14 collections), Bolivia (3), Brazil (24), Canada (1: Saskatchewan), Colombia (2), Guatemala (3), Mexico (8), Panama (1), Peru (9), United States (96: Arizona, California, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Michigan, Mississippi, Missouri, Nebraska, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Dakota, Tennessee, Texas, Virginia, West Virginia), Uruguay (3), Venezuela (5)
• Blancan of Mexico (4), United States (63: Arizona, California, Colorado, Florida, Idaho, Kansas, Nebraska, Nevada, New Mexico, Texas, Washington)
• Pliocene to Pleistocene of Argentina (1), Colombia (1), Uruguay (1), Venezuela (3)
• Pliocene of Argentina (10), Colombia (1), Mexico (1), United States (2: California, Idaho)
• Hemphillian of Costa Rica (1), Honduras (1), Mexico (14), United States (46: Alabama, California, Colorado, Florida, Kansas, Nebraska, Nevada, Oklahoma, Oregon, Tennessee, Texas)
• Miocene to Pliocene of United States (1: Florida)
• Miocene of Argentina (1), Mexico (1), Panama (3), United States (105: California, Florida, Kansas, Louisiana, Maryland, Montana, Nebraska, Nevada, Oklahoma, Oregon, South Dakota, Texas, Virginia, Washington)
• Arikareean of Panama (1)
• Oligocene of United States (1: Florida)
Total: 431 collections including 475 occurrences