(Streptosyllis) (Streptosyllis) is a biological genus in the family Syllidae and order Phyllodocida.
Streptosyllis arenae
Streptosyllis bidentata
Streptosyllis latipalpa
Streptosyllis pettiboneae
Streptosyllis varians
Streptosyllis websteri
Amblyosyllis
Autolytus
Branchiosyllis
Brania
Braniella
Calamyzas
Campesyllis
Dentatisyllis
Dioplosyllis
Ehlersia
Eurysyllis
Eusyllis
Exogone
Exogonella
Fauvelia
Haplosyllis
Langerhansia
Levidorum
Myrianida
Odontosyllis
Opisthodonta
Opisthosyllis
Parapionosyllis
Parasphaerosyllis
Petitia
Pionosyllis
Plakosyllis
Proceraea
Procerastea
Sphaerosyllis
Streptosyllis
Syllides
Syllis
Trypanosyllis
Typosyllis
Xenosyllis