Phylum Annelida Lamarck, 1809 - segmented worms
Class Polychaeta Grube, 1850 - polychaetes
?Family Nerillidae Levinsen, 1883
1 Genus Bathychaetus Faubel, 1978
2 Genus Meganerilla Boaden, 1961
3 Genus Nerilla O. Schmidt, 1848
4 Genus Nerillidium Remane, 1925
5 Genus Paranerilla Jouin & Swedmark, 1965
6 Genus Thalassochaetus Ax, 1954
7 Genus Troglochaetus Delachaux, 1921