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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 | Gettysburg, Pennsylvania, USA | 1956 or earlier | freshwater | Gettysburg specimens reproduce viviparously during the summer months, the young consuming the viscera of the mother as they develop. | Mahan JG (1956) abstract | |||
| B | Michelfelden near Basel, Switzerland | prior to 1894 | freshwater | type locality | marsh, found in July and August. | Fuhrmann O (1894) 218-222, 245 | ||
| C | Basle (Basilea, Bale), Switzerland | 1894 or earlier | Fuhrmann O (1894) abstract | |||||
| D | Switzerland (Schweiz) | 1913 or earlier | freshwater | Graff Lvon (1913) 228 | ||||
| E | western and middle, Czech Republic (Böhmen, Bohmen, Bohemia) | 1913 or earlier | freshwater | Graff Lvon (1913) 228 | ||||
| F | Steiermark (Styria, Styrie), Austria | 1913 or earlier | freshwater | Graff Lvon (1913) 228 | ||||
| G | Sweden (Schweden) | 1913 or earlier | freshwater | Graff Lvon (1913) 228 | ||||
| H | East Prussia (Ostpreussen, Prusy Wschodnie, Prusse Orientale), Poland | 1913 or earlier | freshwater | Graff Lvon (1913) 228 | ||||