Anthracoceratidae
(tree size 33)
Eogonioloboceratidae
(tree size 12)
Furnishoceratidae
Intoceratidae
(tree size 4)
Kozhimitidae
Maxigoniatitidae
(tree size 24)
Muensteroceratidae
(tree size 48)
Pericyclidae
(tree size 65)
Sudeticeratidae
Temertassetiidae
(tree size 16)
Rotopericyclidae
(tree size 11)