mapmap| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Litoralstation Biologische Anstalt Helgoland (BAH), Helgoland Island (Helgoland, Heligoland), Germany | 3304map | May 1970 | type locality | sand | Sandwatt, 8 m from the breakwater. 1 specimen. | Ehlers U (1972): 57 | ||
| B | Koenigs Bay (Koenigshafens, Konigshafen, Königshafen), Sylt Island, Germany, North Sea | 491map | 1985 or earlier | sand | deep sulfide layer at depths of more than 5 cm below the sediment surface. Species found at least 3 times. | Scherer B (1985): 122-124 |