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Keywords from Image Description:
Die land und ssswasser Conchylien der Vorwelt . Sandbei er Landun Ssswr Conchylien Tal XXXV es lith vF Scofterbeck Pisidmm casertanum Polt Bytkinella mcwginata Mtch gfu Vatvai cristatcu MuH Planorbis fontamzs Licjktfi contorhzs Mull rcrtandatus Poir vortese Mll zomfilanatas Poir carlnatiis Mll nauieus vtzncristais