| Marphysa escobarae Carrera-Parra & Salazar-Vallejo, 1998 |
| Marphysa floridana de Pourtalès, 1867 |
| Marphysa fragilis Treadwell, 1911 |
| Marphysa kinbergi McIntosh, 1910 |
| Marphysa languida Treadwell, 1921 |
| Marphysa leidgi Verrill, 1881 |
| Marphysa longula (Ehlers, 1887) |
| Marphysa minima (Hansen, 1882) |
| Marphysa mixta Fauchald, 1970 |
| Marphysa mortenseni Monro, 1928 |
| Marphysa orensanzi Carrera-Parra & Salazar-Vallejo, 1998 |
| Marphysa posterobranchia Day, 1962 |
| Marphysa regalis Verrill, 1900 |
| Marphysa sanguinea (Montagu, 1815) |
| Marphysa stylobranchiata Moore, 1909 |
| Marphysa veracruzensis de León-González & Díaz-Castañeda, 2006 |
| Nausicaa Kinberg, 1865 |
| Nausicaa minima Hansen, 1882 |
| Nematonereis Schmarda, 1861 |
| Nematonereis hebes Verrill, 1900 |