Children (35 direct children, 7215 direct and indirect children):
Polynoidae
(tree size 1365)
Aphroditidae
(tree size 188)
Nereididae
(tree size 1027)
Glyceridae
(tree size 140)
Syllidae
(tree size 1797)
Nephtyidae
(tree size 221)
Hesionidae
(tree size 395)
Typhloscolecidae
(tree size 23)
Tomopteridae
(tree size 61)
Chrysopetalidae
(tree size 127)
Phyllodocidae
(tree size 682)
Lopadorrhynchidae
(tree size 34)
Pholoidae
(tree size 40)
Eulepethidae
(tree size 40)
Pilargidae
(tree size 160)
Alciopidae
(tree size 72)
Goniadidae
(tree size 141)
Lacydoniidae
(tree size 16)
Acoetidae
(tree size 77)
Pisionidae
(tree size 58)
Iospilidae
(tree size 12)
Sphaerodoridae
(tree size 171)
Sigalionidae
(tree size 267)
Nautiliniellidae
(tree size 22)
Pilargiidae
Paralacydoniidae
(tree size 4)
Fossundecima
(tree size 1)
Lopadorhynchidae
(tree size 9)
Pontodoridae
(tree size 3)
Yndolaciidae
(tree size 6)
Aphroditiformia
(tree size 8)
Phyllodociformia
Glyceriformia
Nereidiformia
(tree size 13)
Lepidocoleidae