Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | north east wall (Nordostmauer), Helgoland Island, Germany | Aug 1963 | 5 m | fine sand | type locality | Museum specimen number: SMF 3174 | Dorjes J (1968) 244; see also biogeographic summary on this and other German Bay species in (citation)- 78-115. | |
| B | south of Reede, Helgoland Island, Germany | Oct 1964 | 8 m | fine sand | Dorjes J (1968) 244; see also biogeographic summary on this and other German Bay species in (citation)- 78-115. |