10.6084/m9.figshare.91279.v1 Emma Versteegh Emma Versteegh Biesbosch 1951 - Gat van de Molen - Unio shell.tif figshare 2012 shell freshwater mussels Paleoclimatology Ecology 2012-11-23 10:09:23 Figure https://figshare.com/articles/figure/Biesbosch_1951_-_Gat_van_de_Molen_-_Unio_shell_tif/91279 <p><em>Unio tumidus</em> collected from the Biesbosch in 1951.</p>