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Keywords from Image Description:
Theodoxus fluviatilis reproductive system male. Drawing of the reproductive system of male of Theodoxus fluviatilis shows testis prostate vas deferens and penis Lehmann Die lebenden Schnecken und Muscheln der Umgegend Stettins und in Pommern mit besonderer Bercksichtigung ihres anatomischen Baues Friedlnder Sohn Berlin archive