†Hexacodus Gazin 1952 (even-toed ungulate)
Full reference: C. L. Gazin. 1952. Smithsonian Miscellaneous Collections 117(18)
Parent taxon: Artiodactyla according to S. L. Walsh 2000
Sister taxa: Achaenodontidae, Achtiaria, Antiacodontidae, Antiacodontinae, Caenotheriidae, Cetancodontamorpha, Choeropotamoidea, Delahomeryx, Dichobunoidea, Dulcidon, Eolantianus, Eschatiidae, Eurytheriidae, Helohyinae, Hidrosotherium, Hsanotherium, Leptochoerinae, Lophiomerycidae, Neoselenodontia, Nonruminantia, Palaeodonta, Protolabididae, Raoellidae, Raphenacodus, Ruminantiamorpha, Simpsonodus, Suiformes, Suoidea, Tragulohyus, Tylopoda, Whippomorpha, Entelodontoidea, Ancodonta, Cetruminantia
Subtaxa: Hexacodus pelodes, Hexacodus uintensis
Type: Hexacodus pelodes
Ecology: ground dwelling herbivore