| Polycirrus caliendrum Claparède, 1870 |
| Polycirrus californicus Moore, 1909 |
| Polycirrus carolinensis (Day, 1973) |
| Polycirrus denticulatus de Saint-Joseph, 1894 |
| Polycirrus eximius subsp. dubius Day, 1973 |
| Polycirrus holthei Londoño-Mesa & Carrera-Parra, 2005 |
| Polycirrus mexicanus (Rioja, 1947) |
| Polycirrus plumosus (Wollebaek, 1912) |
| Polycirrus trilobatus Sars, 1863 |
| Polymniella Verrill, 1900 |
| Scionella Moore, 1903 |
| Scionella japonica Moore, 1903 |
| Scionella papillosa Tourtellotte & Kritzler, 1988 |
| Scionides Chamberlin, 1919 |
| Scionopsis Verrill, 1873 |
| Scionopsis palmata Verrill, 1873 |
| Spinosphaera Hessle, 1917 |
| Spinosphaera carrerai Londoño-Mesa, 2003 |
| Spinosphaera hutchingsae Londoño-Mesa, 2003 |
| Spinosphaera oculata Hartman, 1944 |