Children (14 direct children, 1955 direct and indirect children):
Aeolosomatidae
(tree size 61)
Arenicolidae
(tree size 55)
Opheliidae
(tree size 294)
Orbiniidae
(tree size 352)
Scalibregmatidae
(tree size 126)
Maldanidae
(tree size 435)
Paraonidae
(tree size 223)
Parergodrilidae
(tree size 13)
Potamodrilidae
(tree size 2)
Psammodrilidae
(tree size 11)
Questidae
(tree size 13)
Capitellida
(tree size 318)
Cossurida
(tree size 38)
Travisiidae