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Keywords from Image Description:
Die land und ssswasser Conchylien der Vorwelt . Saadber er landund SiisswCoiickylien Taf Xtt Selix radula SocndA JL Aeclivis id bicorw jea id Clausula indifferent zd Papa Simplex id Gez li LvF Schlottert eck Cvrena sirena AI Brongn sp Seltx sdamnata AL Brongrv sp IfiegaloTyiastom zmbricaZam Sandb VoTnatzs crassicostcu