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Düne (Die Düne, Dune), Helgoland, Germany
latitude: 54.183334 54 11 00 N
longitude: 7.916667 007 55 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
| Paratomella rubra | Aug 1974 | south side of Düne, Helgoland. Near the low tide line. | ||
| Litucivis serpens | Jun 1970 | south side. 1 specimen. | ||
| Petaliella spiracauda | Jun 1970 | south beach. 8 specimens. | ||
| Paramecynostomum diversicolor | 1933 or earlier | |||
| Pseudoposthia macrogonopora | sometime 2011-2021 | 11-12.6 m |