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 | |
|---|---|---|---|---|---|---|---|---|
|  | Reid State Park, Maine USA | Mar 1999 | Hooge MD, Tyler S (2003) 24 | |||||
|  | Seal Harbor, Maine, USA | Aug 1999 | low intertidal | medium grained sediment | type locality | Hooge MD, Tyler S (2003) 26 |