Invalid subtaxa: Palaeochoeridae Matthew 1924 [invalid subgroup], Suina Gray 1868 [invalid subgroup], Suinamorpha Spaulding et al. 2009
Full reference: J. E. Gray. 1821. On the natural arrangement of vertebrose animals. The London Medical Repository Monthly Journal and Review 15:296-310
Parent taxon: Artiodactyla according to M. Spaulding et al. 2009
Sister taxa: Achaenodontidae, Achtiaria, Antiacodontidae, Antiacodontinae, Caenotheriidae, Cetancodontamorpha, Choeropotamoidea, Delahomeryx, Dichobunoidea, Dulcidon, Eolantianus, Eschatiidae, Eurytheriidae, Helohyinae, Hexacodus, Hidrosotherium, Hsanotherium, Leptochoerinae, Lophiomerycidae, Neoselenodontia, Nonruminantia, Palaeodonta, Protolabididae, Raoellidae, Raphenacodus, Ruminantiamorpha, Simpsonodus, Suiformes, Tragulohyus, Tylopoda, Whippomorpha, Entelodontoidea, Ancodonta, Cetruminantia
Subtaxa: Cotylopidae, Dichodontidae, Doliochoerus, Merycopotamidae, Palaeochoerus, Perchoerus, Sanitheriidae, Schizochoerinae, Schizochoerus, Suidae, Taucanamo, Tayassuidae
Ecology: ground dwelling grazer-browser