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 | El Zarco, Puerta de las Cruces, Federal District of Mexico, Mexico | 1971 or earlier | freshwater | default type | Benazzi M, Giannini E (1971) ; from Ball 1974 (citation)- p. 16 |