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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Gnathostomata (Gnathostome)
Eugnathostomata
Teleostomi
Euteleostomi
Sarcopterygii (Lobe-finned fishes)
Dipnotetrapodomorpha
Tetrapodomorpha (Tetrapodomorph)
Tetrapoda (Tetrapod)
Reptiliomorpha
Amniota (Amniote)
Synapsidomorpha
Synapsid (Synapsida)
Eupelycosauria

Sphenacodontia (930410)

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