Children (6 direct children, 340 direct and indirect children):
Nemastomatidae
(tree size 244)
Trogulidae
(tree size 61)
Eotrogulidae
(tree size 2)
Nipponopsalididae
(tree size 3)
Dicranolasmatidae
(tree size 22)
Nemastomoididae
(tree size 2)