| Polycirrus denticulatus de Saint-Joseph, 1894 |
| Polycirrus dubius Day, 1973 |
| Polycirrus eximius (Leidy, 1855) |
| Polycirrus eximius subsp. dubius Day, 1973 |
| Polycirrus haematodes (Claparède, 1864) |
| Polycirrus holthei Londoño-Mesa & Carrera-Parra, 2005 |
| Polycirrus mexicanus (Rioja, 1947) |
| Polycirrus pennulifera Verrill, 1900 |
| Polycirrus plumosus (Wollebaek, 1912) |
| Polycirrus purpureus Schmarda, 1861 |
| Polycirrus trilobatus Sars, 1863 |
| Polymniella Verrill, 1900 |
| Polymniella aurantiaca (Verrill, 1900) |
| Scionella Moore, 1903 |
| Scionella japonica Moore, 1903 |
| Scionella papillosa Tourtellotte & Kritzler, 1988 |
| Scionides Chamberlin, 1919 |
| Scionides reticulata (Ehlers, 1887) |
| Scionopsis Verrill, 1873 |
| Scionopsis palmata Verrill, 1873 |