| Castrella (Castrella) truncata (Abildgaard, 1789) | 1968 or earlier | | | the stagnant waters from Transylvania and the Romanian Plain. |
| Typhloplana viridata (Abildgaard, 1789) | 1970 or earlier | | | the stagnant freshwater of the Romanian Plain and Transylvania. |
| Castrada (Castrada) viridis Volz, 1898 | 1974 or earlier | | | Abundant, predeltaic region, the freshwater area of the 'melea' Sahalin. |
| Dalyellia transilvana (Paradi, 1882) | 1882 or earlier | | | numerous. |
| Dalyellia scoparia (Schmidt, 1858) | 1913 or earlier | | | standing water |
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1913 or earlier | | | ubiquitous, very active, prefers swimming at the surface of cold and warm, standing and flowing water. |
| Phaenocora unipunctata (Ørsted, 1843) | 1913 or earlier | | | |
| Phaenocora typhlops (Vejdovsky, 1880) | 1913 or earlier | | | pools. |
| Olisthanella obtusa (Schultze, 1851) | 1913 or earlier | | | |
| Castrada (Castrada) intermedia (Volz, 1898) | 1913 or earlier | | | |
| Mesostoma lingua (Abildgaard, 1789) | 1913 or earlier | | | mud and detritus, of pools, ponds and lakes. |
| Dendrocoelides sphaerophallus de Beauchamp, 1929 | 1929 or earlier | | | |
| Dendrocoelides brachyphallus de Beauchamp, 1929 | 1929 or earlier | | | |
| Dendrocoelides lipophallus de Beauchamp, 1929 | 1929 or earlier | | | |
| Gieysztoria transilvana (Paradi, 1882) | 1882 or earlier | | | Ungern. Siebenbürgen, bei Apahida, Süsswasser, zahlreich. |