| Nominal Species (n = 6) | Present allocation (n = 6) | Ref. |
|---|---|---|
| Macrostomum brandi Wang & Shi, 2022 | Macrostomum brandi | 3477 |
| Macrostomum curvituba Luther, 1947 | Macrostomum curvituba | 3477 |
| Macrostomum lineare Uljanin, 1870 | Macrostomum lineare | 3477 |
| Macrostomum littorale Wang & Shi, 2022 | Macrostomum littorale | 3477 |
| Macrostomum orthostylum Braun, 1885 | Macrostomum orthostylum | 3477 |
| Macrostomum shekouense Wang & Shi, 2022 | Macrostomum shekouense | 3477 |