| Nominal Species (n = 8) | Present allocation (n = 8) | Ref. |
|---|---|---|
| Corydendrium album Hirohito, 1988 | Corydendrium album | 8278 |
| Turritopsoides brehmeri Calder, 1988 | Turritopsoides brehmeri | 3477 |
| Corydendrium brevicaulis Hirohito, 1988 | Corydendrium brevicaulis | 8278 |
| Tubiclava cornucopiae Norman, 1864 | Merona cornucopiae | 19 |
| Corydendrium dispar Kramp, 1935 | Corydendrium dispar | 8278 |
| Corydendrium flabellatum Fraser, 1938 | Corydendrium flabellatum | 8278 |
| Tubiclava laxa Fraser, 1938 | Merona laxa | 19 |
| Merona operculata Watson, 1978 | Merona operculata | 8278 |