Matrosovka (Матросовка, Sommeenjoki, Sommenjoki , Reka Sommen-Yoki), Russia
latitude: 60.650002 60°39'0.01"N
longitude: 28.716667 28°43'0"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]
Polycelis tenuis Ijima, 1884 | 1961 or earlier | Ka. [map reference area, p. 42] ; Ala Sommeenjoki (A. J. S. ) |
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