| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Gullmarfjord (St. Borno, Stora Borno, Bornö), Sweden | 849 | 1956 or earlier | type locality | 35 m | clay | Karling TG (1956): 240 | ||
| B | Gullmarfjord (Bredungen Gullmarsvik), western Sweden | 35 | 1956 or earlier | 35 m | clay | Karling TG (1956): 240 |