Strigeoidea
Thapariellidae
(tree size 2)
Isoparorchiidae
(tree size 9)
Harmotrematidae
(tree size 2)
Hasstilesiidae
(tree size 3)
Ovariopteridae
(tree size 2)
Moreauiidae
(tree size 2)
Liolopidae
(tree size 3)
Monodhelminthidae
(tree size 3)
Monascidae
(tree size 6)
Clinostomatoidea