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 | Haskins, Iowa, USA | Apr 24, 1942 | freshwater | type locality | collected at the outlet of a tile drain. AMNH no 325, 326, 327. | Hyman LH (1945) 476 |