Collecting site

Tvärminneön (Tvärminne-ön, Tverminne Ön, Tvärminneö), Finland

latitude: 59.833332     59 50 00 N
longitude: 23.216667     023 13 00 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:

Macrostomum curvituba Luther, 1947	prior to 1960			Mögloet and Kallvassa.
Baicalellia beauchampi (Ax, 1956)	Apr 28, 1952		brown Gyttja	Kallvassa. under the soil surface, 17.9 degrees C. [Not sure that this is the local of Kallvassa that Luther is referencing.]
Coronhelmis multispinosus Luther, 1948	1962 or earlier			Mögloet. (Kinnander).
Procerodes littoralis (Ström, 1768)	1961 or earlier			In der Umgebung der Zool. Station Tvärminne sehr häufig in der Meeres- und äusseren Schärenzone: Südufer von Tvärminneön
Microdalyellia mollosovi (Nasonov, 1920)	May 24, 1951			Tvärminne-ön, Södergård, beschatteter Tümpel am Wege, am Boden viel Laub und Moos (Hypna), 11.5º C.