| Nominal Species (n = 9) | Present allocation (n = 9) | Ref. |
|---|---|---|
| Corydendrium album Hirohito, 1988 | Corydendrium album | 8278 |
| Corydendrium brevicaulis Hirohito, 1988 | Corydendrium brevicaulis | 8278 |
| Rhizogeton conicum Schuchert, 1996 | Rhizogeton conicum | 8278 |
| Corydendrium dispar Kramp, 1935 | Corydendrium dispar | 8278 |
| Corydendrium flabellatum Fraser, 1938 | Corydendrium flabellatum | 8278 |
| Cordylophora japonica Itô, 1951 | Cordylophora japonica | 8278 |
| Merona operculata Watson, 1978 | Merona operculata | 8278 |
| Cordylophora solangiae Redier, 1967 | Cordylophora solangiae | 8278 |
| Oceania tydemani Bleeker & van der Spoel, 1988 | Oceania tydemani | 8278 |