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 | Manchester, United Kingdom | prior to 1896 | freshwater | Gamble FW (1896) ; from Young JO (citation)- p 217; Record is quoted by Whitehead 1913 (citation) |