Mammalia - Artiodactyla - Achaenodontidae
Alternative spelling: Achaenodontinae
Parent taxon: Artiodactyla according to O. A. Peterson 1919
See also Gregory 1910, Hay 1902 and Jaekel 1911
Sister taxa: Ancodonta, Antiacodontidae, Antiacodontinae, Booidea, Bunomerycidae, Cainotherioidea, Choeropotamoidea, Climacoceratidae, Diacodexeidae, Dichobunoidea, Eolantianus, Erlianhyus, Eurytheriidae, Haplobunodontidae, Hsanotherium, Hyodonta, Leptochoerinae, Merycoidodontoidea, Myanmarius, Neoselenodontia, Nonruminantia, Omnivora, Raphenacodus, Ruminantiamorpha, Suiformes, Suoidea, Tapirulidae, Tragulohyus, Trigonolestidae, Tylopoda, Whippomorpha, Entelodontoidea, Cetruminantia
Subtaxa: none
Ecology: ground dwelling grazer-browser
Distribution: found only at San Diego Mission (CIT 249) (Eocene of California)