This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Die land und ssswasser Conchylien der Vorwelt . Sandber er Landimd SsswConchjfei Taf XI jezulitKTrScKlotterbeck Cyrena compressou Desfa wcdina id cycladiformis id Manza Zactecu Dcwru Pirena' Larrbccrck Desh dtspar id Mdcunopsis buccwxilv 'WEceidels YerlaiJ Wiesbaden Hydrbia subulccbfr sfo sp Itemaikuurov globuUzs