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Keywords from Image Description:
Die land und ssswasser Conchylien der Vorwelt . Sandbergei Landund Sssw Conckylien Taf ez lith Schlotterbecl Cyrenas zoiqua Ter Tisidizzm ZcLevtifaZum sh Mdccrtias wqitinata Defr Pinna Bulemplil Desh Melanopsts bucctnoidecL Fer Amnicola Pccrkvnorvt Morr CWKceieTs Verlag in Wiesbaden Hydrobia Wehsteri Morr Physa Lccmberti