Ancestor

Hyrachyus_eximius

Triplopus_cubitalis

Rhodopagus_radinskyi

Siamolophus_krabiense

Heptodon

Helaletes_nanus

Desmatotherium_intermedium

Dilophodon

Colodon_occidentalis

Colodon_inceptus

Irdinolophus_mongoliensis

Irdinolophus_tuiensis

Teleolophus

Plesiocolopirus

Protapirus