| Namalycastis borealis Glasby, 1999 |
| Namalycastis occulta Conde-Vela, 2013 |
| Namalycastis profundus Hartman, 1965 |
| Namanereis Chamberlin, 1919 |
| Namanereis amboinensis Pflugfelder, 1933 |
| Namanereis cavernicola (Solís-Weiss & Espinasa, 1991) |
| Namanereis littoralis (Grube, 1872) |
| Namanereis pontica (Bobretzky, 1872) |
| Namanereis riojai (Bastida-Zavala, 1990) |
| Neanthes Kinberg, 1866 |
| Neanthes acuminata (Ehlers, 1868) |
| Neanthes arenaceodentata (Moore, 1903) |
| Neanthes brandti (Malmgren, 1865) |
| Neanthes caudata (Delle Chiaje, 1828) |
| Neanthes cortezi Kudenov, 1979 |
| Neanthes egregicirrata (Treadwell, 1924) |
| Neanthes galetae Fauchald, 1977 |
| Neanthes mexicana Fauchald, 1972 |
| Neanthes micromma (Harper, 1979) |
| Neanthes oligohalina Rioja, 1946 |