| Macrostomum hystrix Ørsted, 1843 | prior to 1894 | | | marsh |
| Microstomum lineare (Müller, 1773) | prior to 1894 | | | |
| Stenostomum leucops (Duges, 1828) | prior to 1894 | | | found in all the waters. |
| Mesostoma productum (Schmidt, 1848) | prior to 1894 | | | |
| Mesostoma ehrenbergii (Focke, 1836) | prior to 1894 | | | marsh. |
| Mesostoma rostratum (Müller, 1774) | prior to 1894 | | | numerous in marsh. |
| Mesostoma viridatum (Abildgaard, 1789) | prior to 1894 | | | marsh. |
| Mesostoma armatum Fuhrmann, 1894 | Jun, Sep, prior to 1894 | | | found few specimens in June and September. |
| Bothromesostoma personatum (Schmidt, 1848) | prior to 1894 | | | |
| Gyratrix hermaphroditus Ehrenberg, 1831 | prior to 1894 | | | |
| Castrada (Castrada) radiata (Müller, 1774) | prior to 1894 | | | |
| Vortex truncatus (Abildgaard, 1789) | prior to 1894 | | | |
| Vortex triquetrus Fuhrmann, 1894 | prior to 1894 | | | not frequent. |
| Vortex graffii Hallez, 1878 | prior to 1894 | | | |
| Vortex infundibuliformis Fuhrmann, 1894 | prior to 1894 | | | |
| Polycelis nigra (Müller, 1774) | prior to 1894 | | | |
| Polycelis cornuta Johnston, 1822 | prior to 1894 | | | |
| Dendrocoelum lacteum (Müller, 1773) | prior to 1894 | | | |
| Castrada (Castrada) neocomensis Volz, 1898 | 1898 or earlier | | | near Basle. |
| Diplopenis intermedius Volz, 1898 | 1898 or earlier | | | near Balse. |
| Castrada (Castrada) intermedia (Volz, 1898) | 1898 or earlier | | | Sümpfe bei Neudorf (Elsass) und Michelfelden (schweizerisch-elsässische Grenze). |
| Mesostoma productum (Schmidt, 1848) | 1894 or earlier | | | Umgebung von Basel: Sumpf bei Neudorf (Elsass). |
| Mesostoma lingua (Abildgaard, 1789) | 1894 or earlier | | | Umgebung von Basel: Sümpfe bei Neudorf (Elsass). |