| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Microcotyle bothi Yamaguti, 1968 | Microcotyle bothi | 3477 |
| Microcotyle emmelichthyops Yamaguti, 1968 | Microcotyle emmelichthyops | 3477 |
| Metamicrocotyla mugilis Yamaguti, 1968 | Metamicrocotyla mugilis | 3477 |
| Microcotyle polymixiae Yamaguti, 1968 | Microcotyle polymixiae | 3477 |