Theodor, J. M. Foss, S. E. 2005 Deciduous dentitions of Eocene cebochoerid artiodactyls and cetartiodactyl relationships Journal of Mammalian Evolution 12 161-181 Arctocyon Agriochoerus Ambulocetus Anthracokeryx Antiacodon Archaeotherium Artiocetus Basilosaurus Brachyhyops Bunomeryx Cainothere Cebochoerid Choeropotamid Diacodexis_pakistanensis Diacodexis_secans Dichobune Dissacus Dorudon Elomeryx Eoconodon Georgiacetus Hapalodectes Harpagolestes Helohyus Heptacodon Hexaprotodon Hippopotamus Homacodon Hyopsodus Hyotherium Hypertragulus Leptochoerid Leptomeryx Leptotragulus Meniscotherium Mesonyx Mixtotherium Pachyaena Pakicetus Peccary Perchoerus Phenacodus Poebrotherium Protoceras Protoreodon Protylopus Raoellid Sinonyx Sus Synoplotherium Tragulus Osteology Maximum Parsimony Based on reanalysis of the original matrix. Theodor_et_Foss_2005a