This layer shows the occurrences of mollusc species that are protected by the Grand-Ducal Regulation of 9 January 2009 concerning the integral and partial protection of certain animal species of wild fauna. Occurrences from the 1 January 2000 onwards are shown on the map with their original resolution as points or grid squares. Data come from the national database Recorder-Lux and from the international platforms GBIF.org and Inaturalist.org. They are accessed through the biodiversity map portal mdata.mnhn.lu.