†family Lambdotheriidae Cope 1889 (odd-toed ungulate)
Full reference: E. D. Cope. 1889. Synopsis of the families of Vertebrata. The American Naturalist 23:1-29
Parent taxon: Perissodactyla according to W. H. Flower and R. Lydekker 1891
Sister taxa: Aralotherium, Astrapotheroidea, Cambaytheriidae, Danjiangia, Equina, Hyracotheriidae, Lophodontomorpha, Menodontidae, Mesolambdolophus, Rhinocerotida, Skopaiolophus, Tapiromorpha, Titanotheriomorpha, Triplopidae
Subtaxa: none
Ecology: ground dwelling browser-grazer