Children (10 direct children, 22 direct and indirect children):
Homalodotheriidae
(tree size 4)
Isotemnidae
(tree size 5)
Notohippidae
(tree size 3)
Haplodontheriidae
Rhynchippidae
Protypotheriidae
Typotheriidae
Xotodontidae
Pachyrucidae
Tembotheridae