Children (8 direct children, 25 direct and indirect children):
Catantostomatidae
(tree size 1)
Kittlidiscidae
(tree size 1)
Phymatopleuridae
(tree size 8)
Polytremariidae
(tree size 1)
Portlockiellidae
(tree size 4)
Rhaphischismatidae
(tree size 1)
Trochotomidae
Zygitidae
(tree size 1)