(Phenacodus,(Tetraclaenodon,((Anthracobune,Behemotops),(Prorastomidae,(Phosphatherium_escuilliei,(Daouitherium_rebouli,(Numidotherium_koholense,(Barytherium_grave,(Arcanotherium_savagei,(Moeritherium,(Prodeinotherium,(Chilgatherium_harrisi,(Phiomia,Palaeomastodon)))))))))))));