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North Sea coast, Helgoland, Germany
latitude: 54.251667 54 15 06 N
longitude: 7.935556 007 56 08 E
Precision of location: Listed in reference
Site Named Here: Exact location from reference
| Coelogynopora steinboecki | Jan 1969 | 19-21 m | amphioxus sand | unter NW. 2 Tiere. |
| Aphanostoma rhomboides | 1905 or earlier | Nordsee (Bergen und Umbegung, Helgoland) |