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 | Garten, Helgoland Island, Germany | Aug 1963 | 5 m | shell sand mix | type locality | museum specimen number: SMF 3462 | Dorjes J (1968) 437; also biogeography and ecology on this and other German Bay species in (citation)- 78-115. |