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Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | Elbe River, near Hamburg-Harburg, Germany | 1966 or earlier | default type | Elbe. In bewegten Sandböden der Fahrrinne (Stromrinne, Strommitte, Flusssohle). Regelmässig oberhalb von Hamburg in 2-8 m Wassertiefe. Seltener in der Unterelbe mit westlichstem Fundort in Höhe von Stader Sand; 10 m Wassertiefe. | Riemann F (1965) and Riemann 1966 (citation); from Ax 2008 (citation)- p. 280 |