†subfamily Antiacodontinae (even-toed ungulate)
Parent taxon: Artiodactyla according to R. K. Stucky 1998
Sister taxa: Achaenodontidae, Ancodonta, Antiacodontidae, 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: Sarcolemur
Ecology: ground dwelling herbivore
Distribution:
• Eocene of United States (2: California, Texas collections)
Total: 2 collections each including a single occurrence