| Sclerostyla ctenactis Mörch, 1863 |
| 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 stellata (Abildgaard, 1789) |
| Serpula triquetra Linnaeus, 1767 |
| Serpula tubularia Montagu, 1803 |
| Serpula vermicularis Linnaeus, 1766 |
| Serpula vitrea Fabricius, 1780 |
| Serpula vossae Bastida-Zavala, 2012 |
| Serpulidae Rafinesque, 1815 |
| Simplaria P. Knight-Jones, 1984 |
| Simplaria pseudomilitaris (Thiriot-Quiévreux, 1965) |
| Sphaeropomatus Treadwell, 1934 |
| Sphaeropomatus miamiensis Treadwell, 1934 |
| Spiraserpula Regenhardt, 1961 |