Children (7 direct children, 85 direct and indirect children):
Nausithoidae
(tree size 30)
Linuchidae
(tree size 7)
Periphyllidae
(tree size 11)
Atorellidae
(tree size 14)
Atollidae
(tree size 12)
Paraphyllinidae
(tree size 4)
Stephanoscyphistoma