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south (southern) harbor entrance, Helgoland Island, Germany
light detritus layer
latitude: 54.179169
longitude: 7.8875
Precision of location: Gauged from chart or map
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Philactinoposthia diploposthia | Apr 1963 | 8 m | fine sand | museum specimen number: SMF 3324-30 |