| Dentatisyllis mangalis Russell, 1995 |
| Dioplosyllis Gidholm, 1962 |
| Ehlersia de Quatrefages, 1866 |
| Ehlersia beneliahuae (Campoy & Alquézar, 1982) |
| Ehlersia broomensis (Hartmann-Schröder, 1979) |
| Ehlersia cornuta (Rathke, 1843) |
| Ehlersia ferrugina Langerhans, 1881 |
| Ehlersia ferruginea Langerhans, 1881 |
| Ehlersia garciai (Campoy, 1982) |
| Ehlersia mexicana Rioja, 1960 |
| Ehlersia rosea Langerhans, 1879 |
| Ehlersia rosea subsp. magna Westheide, 1974 |
| Erinaceusyllis San Martín, 2005 |
| Eurysyllis Ehlers, 1864 |
| Eurysyllis tuberculata Ehlers, 1864 |
| Eusyllis Malmgren, 1867 |
| Eusyllis (Synsyllis) Verrill, 1900 |
| Eusyllis antillensis Augener, 1922 |
| Eusyllis assimilis von Marenzeller, 1875 |
| Eusyllis blomstrandi Malmgren, 1867 |