| 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). | 
| Macrostomum viride (1) Beneden E, 1870 | 1913 or earlier |  |  | found in the Russia. | 
| Dalyellia cuspidata (Schmidt, 1861) | 1913 or earlier | 30-40 m |  |  | 
| Dalyellia viridis (Shaw, 1791) | 1913 or earlier |  |  |  | 
| Phaenocora typhlops (Vejdovsky, 1880) | 1913 or earlier |  |  | pools. | 
| Olisthanella truncula (Schmidt, 1858) | 1913 or earlier |  |  |  | 
| Rhynchomesostoma rostratum (Müller, 1774) | 1913 or earlier |  |  |  | 
| Typhloplana viridata (Abildgaard, 1789) | 1913 or earlier |  |  | moors and lakes. | 
| Castrada (Castrada) lanceola (Braun, 1885) | 1913 or earlier |  |  |  | 
| Mesostoma productum (Schmidt, 1848) | 1919 or earlier |  |  |  | 
| Mesostoma lingua (Abildgaard, 1789) | 1919 or earlier |  |  |  | 
| Mesostoma ehrenbergii (Focke, 1836) | 1913 or earlier |  |  |  | 
| Plagiostomum lemani Forel & Du Plessis, 1874 | 1919 or earlier |  |  |  |