| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Streptosyllis arenae Webster & Benedic |
Western Central Atlantic and the Mediterranean Sea | ||
| Streptosyllis baolingi Ding & Westheide, 1994 |
Northwest Pacific | ||
| Streptosyllis bidentata Southern, 1914 |
Northeast Atlantic, Western Indian Ocean and the Mediterranean Sea | ||
| Streptosyllis hainanensis Ding & Westheide, 1994 |
Northwest Pacific | ||
| Streptosyllis pettibonae Perkins, 1981 |
Western Central Atlantic | ||
| Streptosyllis reducta Hartmann-Schröder, 1960 |
Western Indian Ocean | ||
| Streptosyllis templadoi San Martín, 1984 |
Mediterranean Sea | ||
| Streptosyllis websteri unspecified |
Eastern Central Pacific, Atlantic Ocean and the Mediterranean Sea |