| Nominal Species (n = 6) | Present allocation (n = 5) | Ref. |
|---|---|---|
| Siphonocladus feldmannii Børgesen | Siphonocladus feldmannii | 80701 |
| Cladophoropsis macromeres W.R. Taylor | Cladophoropsis macromeres | 80701 |
| Cladophoropsis palauensis Trono, 1972 | Siphonocladus rigidus | 3477 |
| Siphonocladus rigidus M.A. Howe | Siphonocladus rigidus | 80701 |
| Cladophoropsis sundanensis Reinbold, 1905 | Cladophoropsis fasciculata | 80701 |
| Cladophoropsis vaucheriaeformis Papenfuss, 1958 | Cladophoropsis vaucheriaeformis | 3477 |