Acanthodesmiidae
(tree size 5)
Sethophormididae
Artostrobiidae
(tree size 19)
Triospyridae
(tree size 53)
Bulbocyrtiidae
(tree size 4)
Cannobotryidae
(tree size 25)
Carpocaniidae
(tree size 16)
Pterocorythidae
(tree size 81)
Triospyrididae
Theopiliidae
Spongolophophenidae
Planispinocyrtiidae
Spongosilicarmigeridae
Cuniculiformidae
Monicastericidae
Stephaniidae
Rotaformidae