Collecting site
Jezioro Harsz (Harsz See, Haarszen See, Haarschien See), Poland
latitude: 54.166668     54°10'0"N
longitude: 21.783333     21°46'60"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:
| Typhloplanella halleziana (Vejdovsky, 1880) | 1960 or earlier |  |  | Harsz-See. | 
| Planaria torva (Müller, 1773) | 1959 or earlier |  |  | Polen [Harsz Lake?] | 
| Opistomum pallidum Schmidt, 1848 | 1959 or earlier |  |  | Harsz-See. | 
| Castrada (Castrada) affinis Hofsten N, 1907 | 1959 or earlier |  |  | ?: Polen, Harsz-See. | 
| Castrada (Castrada) viridis Volz, 1898 | 1959 or earlier |  |  |  | 
| Castrada (Castrada) armata (Fuhrmann, 1894) | 1959 or earlier |  |  |  | 
| Strongylostoma radiatum (Müller, 1774) | 1960 or earlier |  |  | Harsz-See | 
| Rhynchomesostoma rostratum (Müller, 1774) | 1959 or earlier |  |  |  | 
| Olisthanella truncula (Schmidt, 1858) | 1959 or earlier |  |  |  | 
| Mesostoma lingua (Abildgaard, 1789) | 1950 or earlier |  |  |  | 
| Mesostoma rhynchotum Braun, 1885 | 1926 or earlier |  |  |  |