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Keywords from Image Description:
Die land und ssswasser Conchylien der Vorwelt . Sandbeiger Landimd SsswConchylien Taf XXK rezu lith TrE Scjiiot foc CrUoy tnadosa Sandh Carinifex mnlMformis Schiibl syv octjstima Klein ans Flcmorbis Ztm Braun testatus Klein Limneus socituis SchiM Fada soUicrioUs Braun ' Helios mnaLaicu Snndi starihamens Klein sal