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near eastern Tonne Helgoland II, Skitt-Gatt (Skittgatt channel), Helgoland Island, Germany
latitude: 54.200001
longitude: 7.895833
Precision of location: Gauged from chart or map
Site Named Here: By name of site (or city, etc.)
| Pseudmecynostomum maritimum | May 1963 | 8 m | coarse gravel | museum specimen number: SMF 3439-45 |