| site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
|---|---|---|---|---|---|---|---|---|---|
| A | Irish Sea (Port Erin) | 250 | 1913 or earlier | Graff Lvon (1913): 195 | |||||
| B | Plymouth, England (English Channel) | 255 | 1913 or earlier | Graff Lvon (1913): 194 | |||||
| C | Godthaab (Godthab,Godthäb, Nuuk), Greenland | 271 | 1932 or earlier | tidal to 120 m | Steinböck O (1932): 312 | ||||
| D | Godhavn, Disko Bay, Greenland | 2776 | 1932 or earlier | tidal to 120 m | Steinböck O (1932): 312 |