| Nominal Species (n = 22) | Present allocation (n = 22) | Ref. |
|---|---|---|
| Mitrocoma annae Haeckel, 1864 | Mitrocoma annae | 19 |
| Tiaropsidium atlanticum Russell, 1956 | Tiaropsidium atlanticum | 19 |
| Trissocoma brownei Kramp, 1930 | Mitrocomella brownei | 19 |
| Laodicea cellularia Agassiz, 1865 | Halistaura cellularia | 2992 |
| Halopsis cruciata Agassiz, 1865 | Mitrocomella cruciata | 2992 |
| Tiaropsis davisi Browne, 1902 | Cosmetirella davisi | 2992 |
| Mitrocoma discoidea Torrey, 1909 | Mitrocoma discoidea | 19 |
| Cosmetira frigida Browne, 1910 | Mitrocomella frigida | 2992 |
| Mitrocomella fulva Browne, 1903 | Mitrocomella fulva | 19 |
| Mitrocomella grandis Kramp, 1965 | Mitrocomella grandis | 19 |
| Tiaropsidium japonicum Kramp, 1932 | Tiaropsidium japonicum | 19 |
| Octogonade mediterranea Zoja, 1896 | Octogonade mediterranea | 19 |
| Mitrocomella millardae Pagès, Gili & Bouillon, 1992 | Mitrocomella millardae | 75097 |
| Mitrocoma minervae Haeckel, 1879 | Mitrocoma minervae | 19 |
| Mitrocomella niwai Bouillon & Barnett, 1999 | Mitrocomella niwai | 3125 |
| Halopsis ocellata Agassiz, 1863 | Halopsis ocellata | 19 |
| Cosmetira pilosella Forbes, 1848 | Cosmetira pilosella | 19 |
| Tiaropsis polydiademata Romanes, 1876 | Mitrocomella polydiademata | 2992 |
| Tiaropsidium polyradiatum Kramp, 1965 | Tiaropsidium polyradiatum | 3125 |
| Staurophora purpurea Foerster, 1923 | Earleria purpurea | 19 |
| Mitrocoma sinuosa Foerster, 1923 | Mitrocomella sinuosa | 2992 |
| Cyclocanna welshi Bigelow, 1918 | Cyclocanna welshi | 19 |