Embolomeri
(tree size 22)
Archeriidae
(tree size 5)
Batrachosauria
Caerorhachis
Gephyrostegida
(tree size 5)
Nycteroletorida
Schizomeri
(tree size 1)
Diplomeri
(tree size 1)
Mauchchunkiidae
Anthracosauroidea