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Keywords from Image Description:
Theodoxus transversalis. Photo of Theodoxus transversalis Scale in mm Austria Donau near Kuchelau near Wien animalbase unigoettingen de id Accessed January Photo taken in November animalbase unigoettingen de id Francisco Welter Schultes public domain animalbase unigoettingen de id Francisco Welter Schultes Theodoxus transversalis