| Stenostomum unicolor Schmidt, 1848 | 1913 or earlier | | | damp ground, pools, springs in Europe (England, France, Switzerland), in lakes in the upper layers (Denmark, Germany, Helgoland, Austria, Hungary, Russia). |
| Prorhynchus stagnalis Schultze, 1851 | 1913 or earlier | | | |
| Dalyellia viridis (Shaw, 1791) | 1913 or earlier | | | |
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1913 or earlier | | | ubiquitous, very active, prefers swimming at the surface of cold and warm, standing and flowing water. |
| Olisthanella truncula (Schmidt, 1858) | 1913 or earlier | | | |
| Rhynchomesostoma rostratum (Müller, 1774) | 1913 or earlier | | | |
| Typhloplana viridata (Abildgaard, 1789) | 1913 or earlier | | | moors and lakes. |
| Mesostoma productum (Schmidt, 1848) | 1913 or earlier | | | puddles and lakes of Europe. |
| Dendrocoelides hankoi Gelei, 1927 | 1927 or earlier | | | cave |
| Dugesia lugubris (Schmidt, 1861) | 1923 or earlier | | | Übrige Verbreitung der Kollektivart. Brittische Inseln, Mittel- u. Südschweden, Dänemark, ganz West- u. Mitteleuropa, Lettland. Littauen, Polen, Tschechoslovakei, Ungarn, ..... |
| Phaenocora unipunctata (Ørsted, 1843) | 1913 or earlier | | | |
| Dalyellia viridis (Shaw, 1791) | 1882 or earlier | | | |