Collecting site
Tiefe Rinne, Helgoland Island, Germany
latitude: 54.200001     54°12'0"N
longitude: 7.883333     7°52'60"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:
| Convoluta norvegica Westblad, 1946 | Apr 1964 | 40-42 m | muddy sand, mud | deep groove or gully. | 
| Parahaplogonaria maxima Dörjes, 1968 | Apr 1963 | 42 m | clayey coarse shells | Museum speciment number: SMF 3194 | 
| Archaphanostoma macrospiriferum (Westblad, 1946) | Aug 1963 |  | sludge |  | 
| Pelophila lutheri (Westblad, 1946) | Aug 1963 | 53 m | coarse shell, mud mix |  | 
| Pelophila lutheri (Westblad, 1946) | Aug 1963 | 49 m | mud |  | 
| Pelophila cavernosa Dörjes, 1968 | Aug 1963 | 53 m | coarse shell, mud mix |  | 
| Pelophila cavernosa Dörjes, 1968 | Aug 1963 | 49 m | mud |  |