Children (7 direct children, 609 direct and indirect children):
Hypoblepharinidae
(tree size 8)
Fecampiidae
(tree size 14)
Provorticidae
(tree size 118)
Dalyelliidae
(tree size 400)
Graffillidae
(tree size 51)
Luridae
(tree size 11)
Dalyellidae