| Langerhansia cornuta Imajima, 1966 |
| Langerhansia garciai Campoy, 1982 |
| Levidorum Hartman, 1967 |
| Myrianida H. Milne-Edwards, 1845 |
| Myrianida brevipes (Hartmann-Schröder, 1959) |
| Myrianida prolifera (O.F. Müller, 1788) |
| Neopetitia San Martín, 2003 |
| Nicotia Costa, 1864 |
| Nuchalosyllis Rullier & Amoureux, 1979 |
| Odontosyllis Claparède, 1863 |
| Odontosyllis brevipes Hartmann-Schröder, 1959 |
| Odontosyllis enopla Verrill, 1900 |
| Odontosyllis fulgurans (Audouin & H. Milne-Edwards, 1833) |
| Odontosyllis fulgurans subsp. dolerens Westheide, 1974 |
| Odontosyllis heterodonta Góngora-Garza & de León-González, 1993 |
| Odontosyllis octodentata Treadwell, 1917 |
| Odontosyllis polycera (Schmarda, 1861) |
| Odontosyllis septemdentata Salcedo-Oropeza, San Martín & Solís-Weiss, 2016 |
| Odontosyllis undecimdonta Imajima & Hartman, 1964 |
| Opisthodonta Langerhans, 1879 |