Children (12 direct children, 821 direct and indirect children):
Palaeonemertea
(tree size 185)
Heteronemertea
(tree size 441)
Cerebratulidae
(tree size 164)
Polybrachiorhynchidae
(tree size 6)
Cerebratulides
(tree size 1)
Epithetosoma
(tree size 1)
Pseudobaseodiscus
(tree size 1)
Huilkalineus
(tree size 1)
Gorgonorhynchidae
(tree size 4)
Riseriellidae
(tree size 2)
Oligodendrorhynchus
(tree size 1)
Panorhynchidae
(tree size 2)