Dalyellia pallida Hofsten N, 1907 | 1907 or earlier | | | |
Castrella (Castrella) truncata (Abildgaard, 1789) | 1918 or earlier | | | |
Rhynchomesostoma rostratum (Müller, 1774) | 1913 or earlier | | | |
Tetracelis marmorosa (Müller, 1773) | 1913 or earlier | | | standing puddles and lakes. |
Castrada (Castrada) perspicua (Fuhrmann, 1894) | 1913 or earlier | | | pools and lakes. |
Castrada (Castrada) stagnorum Luther, 1904 | 1911 or earlier | | | puddles and slow moving, humus rich water in south Finnland. |
Castrada (Castrada) lanceola (Braun, 1885) | 1913 or earlier | | | |
Castrada (Castrada) hofmanni Braun, 1885 | 1913 or earlier | | | |
Castrada (Castrada) sphagnetorum Luther, 1904 | 1913 or earlier | | | in Sphagnum of marsh, moor waters of south Finland. |
Castrada (Castrada) viridis Volz, 1898 | 1913 or earlier | | | |
Castrada (Castrada) armata (Fuhrmann, 1894) | 1913 or earlier | | | mud of pools and lakes, and littoral zone. |
Castrada (Castrada) neocomensis Volz, 1898 | 1913 or earlier | | | |
Mesostoma productum (Schmidt, 1848) | 1918 or earlier | | | |
Mesostoma ehrenbergii (Focke, 1836) | 1918 or earlier | | | |
Mesostoma craci Schmidt, 1858 | 1917 or earlier | | | |
Mesostoma punctatum Braun, 1885 | 1918 or earlier | | | |
Bothromesostoma essenii Braun, 1885 | 1913 or earlier | | | |
Plagiostomum lemani Forel & Du Plessis, 1874 | 1917 or earlier | | | |
Dalyellia ornata Hofsten N, 1907 | 1932 or earlier | | | south Finnland. |
Bipalium kewense Moseley, 1878 | 2021 or earlier | | | |