| Convoluta paradoxa Ørsted, 1843 | 1880 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. | 
| Polycystis naegelii Kölliker, 1845 | 1913 or earlier |  |  | living among plants in the litoral zone. | 
| Monocelis lineata (Müller, 1773) | 1913 or earlier |  |  |  | 
| Monocelis longiceps (Duges, 1830) | 1913 or earlier |  |  |  | 
| Monocelis unipunctata (1) Fabricius, 1826 | 1913 or earlier |  |  |  | 
| Stylochus argus Czerniavsky, 1981 | 1881 or earlier |  |  | Suchum, Black Sea. | 
| Procerodes lobatus (Schmidt, 1862) | 1989 or earlier |  |  | Weite Verbreitung im Mittelmeerraum mit frühen Funden aus  dem Schwarzen Meer (Sewastopol, Yalta, Sukhumi); | 
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1882 or earlier |  |  | (Czerniawsky n. Graff 1882) |