Amphinomidae
(tree size 235)
Eunicidae
(tree size 624)
Onuphidae
(tree size 517)
Dorvilleidae
(tree size 292)
Euphrosinidae
(tree size 74)
Oenonidae
(tree size 140)
Lumbrineridae
(tree size 405)
Histriobdellidae
(tree size 19)
Hartmaniellidae
(tree size 4)
Paulinitidae
(tree size 2)
Kalloprionidae
(tree size 2)
Atraktoprionidae
(tree size 2)
Ichthyotomidae
(tree size 2)
Tretoprionidae
(tree size 2)
Conjungaspidae
(tree size 2)
Lumbrinereidae
Andiprion