Amplexopora
(tree size 51)
Araxoporidae
(tree size 3)
Anisotrypidae
(tree size 5)
Ulrichotrypellidae
(tree size 3)
Maychellinidae
(tree size 3)
Stenoporellidae
(tree size 2)
Crustoporidae
(tree size 7)
Arcticoporidae
Helenoporidae
(tree size 1)
Zozariellidae
(tree size 3)
Amplexoporoidea