| Macrostomum orthostylum Braun, 1885 | 1915 or earlier |  |  |  | 
| Gieysztoria diadema (Hofsten N, 1907) | 1955 or earlier |  |  | Lunz, Untersee 608 m üM., litorale Charazone (Meixner). | 
| Castrada (Castrada) neocomensis Volz, 1898 | 1915 or earlier |  |  | Lunz u. Steiermark | 
| Rhynchomesostoma rostratum (Müller, 1774) | 1915 or earlier |  |  | fehlt in Lunz. | 
| Mesostoma ehrenbergii (Focke, 1836) | 1915 or earlier |  |  |  | 
| Mesostoma lingua (Abildgaard, 1789) | 1915 or earlier |  |  | Lunz u. Graz | 
| Bothromesostoma personatum (Schmidt, 1848) | 1915 or earlier |  |  |  | 
| Microdalyellia armigera (Schmidt, 1862) | 1915 or earlier |  |  | Lunz, Alpentümpel bis 1650 m ü.M. | 
| Microdalyellia kupelwieseri (Meixner, 1915) | 1915 or earlier |  |  |  | 
| Microdalyellia fusca (Fuhrmann, 1894) | 1915 or earlier |  |  |  | 
| Microdalyellia brevispina (Hofsten, 1911) | 1915 or earlier |  |  | Lunz, Leitform der Moorlachen des Obersees u. Rotmoores. | 
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1915 or earlier |  |  |  |