Parent taxon: Artiodactyla according to R. K. Stucky 1998
See also Gazin 1955
Sister taxa: Achaenodontidae, Ancodonta, Antiacodontidae, Antiacodontinae, Booidea, Caenotheriidae, Cainotherioidea, Cetancodontamorpha, Choeropotamoidea, Climacoceratidae, Diacodexeidae, Dichobunoidea, Eolantianus, Eurytheriidae, Haplobunodontidae, Hsanotherium, Hyodonta, Leptochoerinae, Merycoidodontidae, Merycoidodontoidea, Myanmarius, Neoselenodontia, Nonruminantia, Nothokemadidae, Omnivora, Pantolestoidea, Raphenacodus, Ruminantiamorpha, Suiformes, Suoidea, Tragulohyus, Tylopoda, Whippomorpha, Cetruminantia, Entelodontoidea, Cetancodonta
Subtaxa: Apriculus Discritochoerus
Ecology: ground dwelling grazer-browser
Distribution: found only at Badwater Locality 7 (Eocene of Wyoming)