site | site # (info) | collection date | kind | depth | substrate | salin | comments | reference | |
---|---|---|---|---|---|---|---|---|---|
A | Illinois, Iowa, Wisconsin, Minnesota, Mississippi Basin, USA | 1428 map | 1915-1917 | freshwater | several locations in the Mississippi study area. No location specified. | Higley R (1918): 12-17, 38 | |||
B | Sevastopol (Sebastopol, Sewastopol, Akhiar, Akhtyar), Black Sea, Ukraine. | 203 map | 1870 or earlier | type locality | 10 m | Schwarzes Meer (Pawlowsky'sche Insel bei Sewastopol). | Uljanin WN (1870): 10; Graff L v 1882 (citation)- p 239; from Graff L v 1913 (citation)- p 47 |