Keywords: Valvata aliena shell.jpg Photo of shells of Valvata aliena Scale in mm Locality Russia South Tajmyr peninsula river Kotuj 20 km South from Khatanga Date 03-09-1994 http //www animalbase uni-goettingen de/zooweb/servlet/AnimalBase/home/picture id 1112 Accessed 19 November 2008 http //www animalbase uni-goettingen de/animalbaseimage/Valvata-aliena_01 jpg Photo taken in August 2006 http //www animalbase uni-goettingen de/zooweb/servlet/AnimalBase/home/collaborator id 7 Francisco Welter Schultes public domain http //www animalbase uni-goettingen de/zooweb/servlet/AnimalBase/home/collaborator id 7 Francisco Welter Schultes Valvatidae Images from AnimalBase |