| Prionospio pygmaeus Hartman, 1961 |
| Prionospio rosariae Delgado-Blas, 2014 |
| Prionospio steenstrupi Malmgren, 1867 |
| Prionospio vermillionensis Fauchald, 1972 |
| Pseudopolydora Czerniavsky, 1881 |
| Pseudopolydora antennata (Claparède, 1869) |
| Pseudopolydora floridensis Delgado-Blas, 2008 |
| Pseudopolydora kempi (Southern, 1921) |
| Pseudopolydora paucibranchiata (Okuda, 1937) |
| Pseudopolydora reishi Woodwick, 1964 |
| Pygospio Claparède, 1863 |
| Pygospio elegans Claparède, 1863 |
| Rhynchospio Hartman, 1936 |
| Rhynchospio glutaea (Ehlers, 1897) |
| Rhynchospio glutea (Ehlers, 1897) |
| Rhynchospio inflatus (Foster, 1971) |
| Scolecolepis Malmgren, 1867 |
| Scolecolepis (Malacoceros) de Quatrefages, 1843 |
| Scolecolepis (Malacoceros) vanderhosti (Augener, 1927) |
| Scolecolepis glutaea Ehlers, 1897 |