On April 13, 2019 a study was conducted into the presence of mollusc species in De Kaaistoep area near Tilburg (the Netherlands). De Kaaistoep has been examined for biodiversity since 1995 and can be considered the best of ATBI (All Taxa Biodiversity Inventarisations) in the Netherlands. In total 26 mollusc species were found in the study described here. Of these, seven were found for the first time. A total of 50 mollusc species from De Kaaistoep are now known.