Children (17 direct children, 5100 direct and indirect children):
Haplotaxida
(tree size 4645)
Lumbriculida
(tree size 309)
Kynotidae
(tree size 27)
Opisthopora
(tree size 56)
Diplotesticulata
(tree size 2)
Lumbriculata
Tubificata
(tree size 2)
Moniligastrida
(tree size 42)
Acestus
Aleodrilus
Archaeodrilus
Liodrilus
Mesopachys
Parascolex
Protoscolex
Pterochaeta
Wasawoia