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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 | Norfolk, Virginia, USA | 1948 or earlier | shallow | freshwater | from collection records ranging 1931 thru 1948. Norfolk Golf Course ponds. | Ferguson FF, Jones ER (1949) 436, 438 | ||
| B | Laugarvatn, south Iceland | summer 1937 | freshwater | Many specimens. | Steinböck O (1948) 27 | |||
| C | Iceland (Island) | summer 1937 | freshwater | few specimens found at Geldingaey, east of the bridge. | Steinböck O (1948) 27 | |||
| D | Myvatn, north Iceland | summer 1937 | freshwater | few specimens at Laxa at the mouth of Myvatn near Smiojutjörn | Steinböck O (1948) 27 | |||
| E | Krauel, Germany | Jul 1991 | mud | freshwater | many specimens. muddy substrates covered with algae | Müller D, Faubel A (1993) 370 | ||
| F | near weir at Geesthacht, Germany | Jul 1991 | sand | freshwater | many specimens. sandy sediments, sandy tidepools covered with detritus; free of vegetation | Müller D, Faubel A (1993) 370 | ||
| G | Geesthacht, Germany | Jul 1991 | sand | freshwater | many specimens. sandy to muddy sediments, lenitic eulittoral area | Müller D, Faubel A (1993) 370 | ||