Collecting site
Dieksee, Schleswig-Holstein, Germany
latitude: 54.166668     54°10'0"N
longitude: 10.5     10°30'0"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] 
Collected here:
| Otomesostoma auditivum (Forel & du Plessis, 1874) | 1926 or earlier | 13 m |  |  | 
| Opisthocystis goettei (Bresslau, 1906) | May 7, 1957 |  |  | Quelltümpel bei Malente, am Holm, oberhalb des Dieksees, in faulendem Laub (nach Thienemann 1922 Quellbezirk D. VI)  (1 Ex.) |