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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 island, bay, strait, lake, river, or stream, etc., named in source publication
| Aphanostoma album | Aug 1963 | 5 m | gravelly fine sand,shelly-sand mix | |
| Bursosaphia baltalimaniaformis | Jun 1963 | 5 m | muddy deposits in Mytilus colonies | |
| Bursosaphia baltalimaniaformis | 5 m | gravelly fine sand,shelly-sand mix | ||
| Bursosaphia baltalimaniaformis | Jun 1963 | 3 m | shell sand mix | |
| Postaphanostoma atriomagnum | Aug 1963 | 5 m | shell, sand, mussel shell pieces and shell sand mix | |
| Pseudaphanostoma syltensis | Oct 1964 | 8 m | shell sand mix | |
| Parahaploposthia cerebroepitheliata | Aug 1963 | 5 m | gravelly fine sand,shelly-sand mix | museum specimen number: SMF 3199 |
| Otocelis westbladi | Aug 1963 | mussel shell | ||
| Archocelis macrorhabditis | Aug 1963; Jul, Oct 1964 | 5 m | mussel shell | museum specimen number: SMF 3228-29 |
| Childia trianguliferum | Aug 1963 | 5 m | mussel shell | |
| Pelochildia pachymorpha | Apr, May 1963 | coarse gravel | museum speciment number: SMF 3315-21 | |
| Pseudmecynostomum bruneum | Aug 1963 | shell sand mix | detritus rich | |
| Messoplana helgolandica | Jul 1957 | 3 m | shell, pebbles | 3 specimens. |
| filum filum | Aug 1964 | Helgoland: Skittgatt, zwischen den Klippenzügen in nordwestlicher Verlängerung der Düne. |