| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Kristineberg, Sweden, NE Atlantic | 4 | July-October 1965 | type locality | 4 m | detritus-rich fine sand | Sterrer, W. (1969): | ||
| B | List on Sylt, Germany, NE Atlantic | 11 | Oct 1969-Oct 1970 | 0 m | medium sand | Species ID of the only specimen is doubtful (p. 323) | Müller, U. and Ax, P. (1971): | ||
| C | K?nigshafen, Sylt, Germany, NE Atlantic | 48 | ca 1982-1983 | intertidal | coarse sand (median diameter 0.454 mm; sorting coefficient 1.49) | 3.1% | mean monthly water temperatures betwwen 20? C in summer an 0? C in winter. | Scherer, B. (1985): 146-147 |