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Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| Scroll through list of sites as necessary. | site | collection date | depth | substrate | salin | locality kind | comments | reference |
|---|---|---|---|---|---|---|---|---|
| A | East Branch Wappinger Creek, Washington, New York, USA | prior to 1987 | gravel | 1 specimen from gravel bar. | Kolasa J, Strayer D, Bannon-O'Donnell E (1987) 128 | |||
| B | Grumbach, eastern Hessen, Germany | 1976-1979 | gravel-sand | freshwater | upper course of river (665 m, Wasserkuppe, Rhön). Found in the months of April thru September, which suggests that it occurs only in the warm months. Interstitium of streams. | Schwank P (1980) 466 | ||
| C | Schlitz, eastern Hessen, Germany | 1976-1979 | gravel-sand | freshwater | type locality | 7 specimens total for this and two other sites. Interstitium of streams. lower train brook pool, 'Trossbachsümpfe' (312 m). Found in the months of April thru September, which suggests that it occurs only in the warm months | Schwank P (1980) 466 | |
| D | Rohrwiesen, Schlitz, Hessen, Germany | 1976-1979 | gravel-sand | freshwater | Found in the months of April thru September, which suggests that it occurs only in the warm months. Interstitium of streams. | Schwank P (1980) 466 | ||