Children (10 direct children, 30579 direct and indirect children):
Sphenacodontidae
(tree size 24)
Haptodus
(tree size 2)
Sphenacodontoidea
(tree size 30542)
Palaeohatteria
(tree size 1)
Pantelosaurus
Haptodontinae
Hypselohaptodus
Kenomagnathus
Kenomagnathus
Palaeohatteriidae