| Planaria torva (Müller, 1773) | Jan 1957 |  |  | Binnengewässer Ostfennoskandiens.  Tuusula, Tuusulanjoki (U. Virkkunen, A.L. det.) | 
| Planaria torva (Müller, 1773) | May 1958 |  |  | Binnengewässer Ostfennoskandiens.  Tuusula, Tuusulanjoki (U. Virkkunen, A.L. det.) | 
| Polycelis tenuis Ijima, 1884 | 1961 or earlier |  |  | Tuusula, Tuusulanjärvi = Tusby träsk (A. L.) | 
| Dendrocoelum lacteum (Müller, 1773) | 1961 or earlier |  |  | Tuusula, Tuusulanjärvi = Tusby träsk. (K. M. Levander)  [Ab. map area, p. 42 of Luther 1961]. | 
| Strongylostoma radiatum (Müller, 1774) | 1963 or earlier |  |  | Tuusula = Tusby, Tuusulanjärvi | 
| Rhynchomesostoma rostratum (Müller, 1774) | 1963 or earlier |  |  |  | 
| Olisthanella truncula (Schmidt, 1858) | 1963 or earlier |  |  |  | 
| Microstomum lineare (Müller, 1773) | 1960 or earlier |  |  | Tuusula (Tusby) | 
| Microdalyellia brevimana (Beklemischev, 1921) | Jan 16, 1917 |  |  |  | 
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1955 or earlier |  |  |  |