Collecting site
Pohjankuru (Skuru), Finland
latitude: 60.116669     60°7'0.01"N
longitude: 23.549999     23°32'60"E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)] 
[Site Named Here by name of site (or city, etc.)] 
Collected here:
| Castrada (Castrada) hofmanni Braun, 1885 | 1963 or earlier |  |  | Pojo-Wiek:  Pojo, Skuru u. Åminne | 
| Castrada (Castrada) armata (Fuhrmann, 1894) | Aug 31, 1948 |  |  | Pojo, Skuru, Fiskars å | 
| Bothromesostoma personatum (Schmidt, 1848) | 1963 or earlier |  |  | Pojo, Fiskars å u. innerster Teil der Pojo-Wiek bei Skuru, Malmholmen, in fast ganz ausgessüstem Wasser. | 
| Castrella (Castrella) truncata (Abildgaard, 1789) | 1955 or earlier |  |  |  |