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 | Zuider Zee (Zuiderzee), Netherlands | 1930 or earlier | default type | On the shells of Hydrobia stagnalis. | Hofker J (1930) abstract |