Collecting site
Tåkern, Sweden
latitude: 58.349998 58°20'59.99"N
longitude: 14.8 14°48'0"E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]
Collected here:
| Bdellocephala punctata (Pallas, 1774) | 1920 or earlier | | | See Tåkern. |
| Castrada (Castrada) intermedia (Volz, 1898) | 1920 or earlier | | | |
| Castrada (Castrada) armata (Fuhrmann, 1894) | 1920 or earlier | | | See Tåkern |
| Strongylostoma radiatum (Müller, 1774) | 1920 or earlier | | | |
| Strongylostoma elongatum elongatum Hofsten N, 1907 | 1920 or earlier | | | |
| Rhynchomesostoma rostratum (Müller, 1774) | 1920 or earlier | | | |
| Mesostoma lingua (Abildgaard, 1789) | 1920 or earlier | | | |
| Bothromesostoma personatum (Schmidt, 1848) | 1920 or earlier | | | |
| Gieysztoria cuspidata (Schmidt, 1861) | 1920 or earlier | | | |
| Gieysztoria expedita (Hofsten N, 1907) | 1920 or earlier | | | |