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Unio crassus

Species dimensions. Shell length: 70 mm, shell height: 38 mm, shell width: 35 mm.

Images description

1. Unio crassus, Dyje, Břeclav, Moravia.
Photo by © Michal Horsák, 2017.

2. Unio crassus.
Photo by Luboš Beran, 2018.

3. Distribution map of Unio crassus until 2017.
Image by Horsák M. et al.: Check-list and distribution maps of the molluscs of the Czech and Slovak Republics. – Online at <https://mollusca.sav.sk/malacology/checklist.htm>.