site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Norfolk, Virginia, USA | 1883 map | 1948 or earlier | shallow | fresh | from collection records ranging 1931 thru 1948. from ponds and streams in the Norfolk area. | Ferguson FF, Jones ER (1949): 436, 438 | ||
B | Southeastern New York State, USA | 2196 map | prior to 1987 | freshwater | 4 specimens from stream surface sediments, 9 specimens from interstitial waters, and 4 specimens from springs. | Kolasa J, Strayer D, Bannon-O'Donnell E (1987): 127 |