Hypothetical_ancestor

Hyrachyus_eximius

Rhodopagus_minimus

Triplopus_cubitalis

Heptodon

Helaletes_nanus

Desmatotherium_intermedius

Dilophodon_minusculus

Colodon_occidentalis

Colodon_inceptus

Irdinolophus_mongoliensis

Irdinolophus_tuiensis

Teleolophus

Plesiocolopirus

Protapirus