Children (10 direct children, 179 direct and indirect children):
Protomonotresidae
(tree size 25)
Pseudostomidae
(tree size 21)
Cylindrostomidae
(tree size 92)
Otomesostomidae
(tree size 4)
Scleraulophoridae
(tree size 6)
Urastomidae
(tree size 4)
Ulianiniidae
(tree size 5)
Multipeniatidae
(tree size 9)
Baicalarctiidae
(tree size 3)
Urostomatidae