Viviparus ater
(CRISTOFORI & JAN 1832)
Height: l= 32,5 mm; m= 28,0 mm; r= 27,5 mm;
Location: Vernio, Toscana, Italy (Foto: W. Fischer)
European Viviparidae
Height: l= 32,5 mm; m= 28,0 mm; r= 27,5 mm;