Versteegh, Emma Meuse 1946 - Roosteren - Unio shell.tif <p><em>Unio pictorum</em> collected from the river Meuse in 1946.</p> shell;freshwater;mussels;Paleoclimatology;Ecology 2012-11-23
    https://figshare.com/articles/figure/Meuse_1946_-_Roosteren_-_Unio_shell_tif/91284
10.6084/m9.figshare.91284.v1