Syllidae Grube, 1850
Opisthodonta curticirris Hartmann-Schröder, 1983
Opisthodonta hanneloreae San Martin & Hutchings, 2006
Opisthodonta mitchelli Kudenov & Harris in Blake, Hilbig & Scott, 1995
Opisthodonta morena Langerhans, 1879
Opisthodonta spinigera Russell, 1987
Opisthodonta uebelackerae Russell, 1987