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.)
Leiden, Netherlands
latitude: 52.176281
longitude: 4.528154
Precision of location: Alexandria Digital Library (with NGA GNDB data)
Site Named Here: By name of site (or city, etc.)
| Strongylostoma radiatum | 1875 or earlier | Holland Leiden. | ||
| Mesostoma ehrenbergii | 1882 or earlier | |||
| Castrella truncata | 1875 or earlier |