| Syllis scabra Ehlers, 1864 |
| Syllis setoensis (Imajima, 1966) |
| Syllis spongicola Grube, 1855 |
| Syllis tigrinoides Uebelacker, 1982 |
| Syllis truncata Haswell, 1920 |
| Syllis variegata Grube, 1860 |
| Syllis zebra Grube, 1860 |
| Synmerosyllis San Martín, López & Aguado, 2009 |
| Synmerosyllis aciculata (San Martín, 1990) |
| Synsyllis Verrill, 1900 |
| Trypanosyllis Claparède, 1864 |
| Trypanosyllis adamanteus Treadwell, 1914 |
| Trypanosyllis columbrensis San Martín, 1984 |
| Trypanosyllis gemmipara Johnson, 1901 |
| Trypanosyllis parvidentata Perkins, 1981 |
| Trypanosyllis prampramensis Augener, 1918 |
| Trypanosyllis vittigera Ehlers, 1887 |
| Trypanosyllis zebra (Grube, 1860) |
| Typosyllis Langerhans, 1879 |
| Typosyllis (Langerhansia) Czerniavsky, 1881 |