| Geodesmus | bilineatus | Metschnikoff, 1865 | |
| Rhynchodemus | bilineatus | (Metschnikoff, 1865) | |
| Alaurina | composita | Metschnikoff, 1861 | |
| Microstomum | compositum | (Metschnikoff, 1861) | |
| Alvaera | dioicum | (Metschnikoff, 1865) | |
| Acmostomum | dioicum | Metschnikoff, 1865 | |
| Microplaninae | Geodesmus | Metschnikoff, 1865 | |
| Macrorhynchus | helgolandicus | (Metschnikoff, 1865) | |
| Gyrator | helgolandicus | (Metschnikoff, 1865) | |
| Prostomum | helgolandicus | Metschnikoff, 1865 | |
| Stylochopsis | ponticus | Metschnikoff, 1877 |
11 names, including those in new combination. (Max listing set to 900)