Suborder Nonruminantia Gregory 1910 (even-toed ungulate)
Full reference: W. K. Gregory. 1910. The orders of mammals. Bulletin of the American Museum of Natural History 27:1-524
Parent taxon: Artiodactyla according to W. K. Gregory 1910
Sister taxa: Achaenodontidae, Achtiaria, Antiacodontidae, Antiacodontinae, Caenotheriidae, Cetancodontamorpha, Choeropotamoidea, Delahomeryx, Dichobunoidea, Dulcidon, Eolantianus, Eschatiidae, Eurytheriidae, Helohyinae, Hexacodus, Hidrosotherium, Hsanotherium, Leptochoerinae, Lophiomerycidae, Neoselenodontia, Palaeodonta, Protolabididae, Raoellidae, Raphenacodus, Ruminantiamorpha, Simpsonodus, Suiformes, Suoidea, Tragulohyus, Tylopoda, Whippomorpha, Entelodontoidea, Ancodonta, Cetruminantia
Subtaxa: Dicotylidae, Trigonolestidae
Ecology: ground dwelling grazer-browser