†superfamily Xiphodontoidea Flower 1883 (even-toed ungulate)
Parent taxon: Tylopoda according to J. J. Hooker 1986
Sister taxa: Amphimerycidae, Anoplotheriidae, Camelidae, Cameloidea, Merycoidodontoidea, Oromerycidae, Poebrotheriidae
Subtaxa: Xiphodontidae
Ecology: ground dwelling grazer-browser