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north east wall (Nordostmauer), Helgoland Island, Germany
latitude: 54.200001
longitude: 7.883333
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
| Isodiametra variomorpha | Aug 1963 | 5 m | fine sand | Museum specimen number: SMF 2906-2910 |
| Childia haplovata | Oct 1964 | 5 m | fine sand | museum specimen number: SMF 3270-73 |
| Isodiametra helgolandica | Sep 1964 | 5 m | fine sand | Museum specimen number: SMF 2900-05 |
| Pseudaphanostoma psammophilum | Sep 1964 | 5 m | fine sand | fine sand on north east wall |
| Postaphanostoma filum | Aug 1963 | 5 m | fine sand | |
| Praeaphanostoma brevifrons | Aug 1963 | 5 m | fine sand | museum specimen number: SMF 3060-65 |
| Praeaphanostoma longum | Jul, Oct 1964 | 6 m | fine sand | museum specimen number: SMF 3113-16 |
| Praeaphanostoma rubrum | Aug 1964 | 5 m | fine sand | museum specimen number: SMF 3117-21 |
| Diopisthoporus psammophilus | Oct 1964 | 5 m | fine sand | museum specimen number: SMF 3141-43 |
| Diopisthoporus brachypharyngeus | Jul 1964 | 5 m | fine sand | museum specimen number: SMF 3144 |
| Adenocauda helgolandica | May 1963 | 5 m | fine sand | museum specimen number: SMF 3145 |
| Haplogonaria glandulifera | Aug 1963 | 5 m | fine sand | museum specimen number: SMF 3146-50 |
| Haplogonaria sinubursalia | Aug 1963 | 5 m | fine sand | Museum specimen number: SMF 3174 |
| Parahaploposthia avesicula | Jul 1964 | 5 m | fine sand | museum specimen number: SMF 3195-98 |
| Paratomella unichaeta | Aug 1963 | 5 m | fine sand | |
| Anaperus tvaerminnensis | Aug 1963 | fine sand | medium sand | |
| Childia trianguliferum | Aug 1963 | 5 m | fine sand | |
| Childia gracilis | Aug 1963 | 5 m | fine sand | |
| Atriofronta polyvacuola | Aug 1963 | 5 m | fine sand | |
| Philactinoposthia adenogonaria | Aug 1963 | 5 m | fine sand | |
| Philactinoposthia viridorhabditis | Apr 1963; Jul, Oct 1964 | 5 m | fine sand | museum specimen number: SMF 3343-48 |
| Pseudmecynostomum fragilis | Jul, Oct 1964 | 5 m | fine sand | museum specimen number: SMF 3421-25 |
| Antigonaria arenaria | Oct 1964 | 5 m | fine sand | |
| Paratomella unichaeta | Aug 17, 1963 | 5 m | fine sand |