Selenariidae
(tree size 3)
Otionellidae
(tree size 45)
Onychocellidae
(tree size 414)
Steginoporellidae
(tree size 118)
Microporidae
(tree size 276)
Thalamoporellidae
(tree size 117)
Chlidoniidae
(tree size 6)
Calescharidae
(tree size 6)
Aspidostomatidae
(tree size 67)
Alysidiidae
(tree size 6)
Setosellidae
(tree size 10)
Macroporidae
(tree size 29)
Monoporellidae
(tree size 1)
Lunulariidae
(tree size 15)
Poricellariidae
(tree size 11)
Pyrisinellidae
(tree size 8)
Lunulitidae
(tree size 94)