| Nominal Species (n = 3) | Present allocation (n = 3) | Ref. |
|---|---|---|
| Retropluma denticulata Rathbun, 1932 | Retropluma denticulata | 75930 |
| Retropluma serenei de Saint Laurent, 1989 | Retropluma serenei | 100230 |
| Retropluma solomonensis McLay, 2006 | Retropluma solomonensis | 100230 |