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Botbyviken (Botby-viken, Vartiokylänlahti), Finland
latitude: 60.203609 60 12 13 N
longitude: 25.107779 025 06 28 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
| Promesostoma marmoratum | prior to 1943 | 1 m | Gyttja | Taken by Fräulein Else Ostermeyer in the shallow bay Botby-viken east of Helsingfors under thick ice cover. Sex ripe adult surviving in the cold season in good condition. |