| Rhodopsis pusillus Bush, 1905 |
| Salmacina Claparède, 1870 |
| Salmacina dysteri (Huxley, 1855) |
| Salmacina incrustans Claparède, 1870 |
| Salmacina tribranchiata (Moore, 1923) |
| Salmacinopsis Bush, 1910 |
| Salmacinopsis setosa Bush, 1910 |
| Sclerostyla Mörch, 1863 |
| Sclerostyla ctenactis Mörch, 1863 |
| Sclerostyla differens Augener, 1922 |
| Sclerostyla semiannulata ten Hove, 1973 |
| Serpula Linnaeus, 1758 |
| Serpula (Sclerostyla) Mörch, 1863 |
| Serpula corrugata Montagu, 1803 |
| Serpula ctenactis Mörch, 1863 |
| Serpula dianthus Verrill, 1873 |
| Serpula gigantea Pallas, 1766 |
| Serpula hartmanae Reish, 1968 |
| Serpula sombreriana McIntosh, 1885 |
| Serpula stellata (Abildgaard, 1789) |