Fig. 6 in Conchological Variability Of Anadara Inaequivalvis (Bivalvia, Arcidae) In The Black-Azov Sea Basin

Fig. 6. Morphology of the shell A. inaequivalvis from the Black-Azov Sea Basin: A, B — left valve with wellsculptured radial ribs (Caucasus coast near Pichory village, Abkhazia); C–F — inequivalvity in adult shells: C, D — specimen from the Sea of Azov, Fedotova Spit, E, F — specimen from the Black Sea, cape Opuk. Arrows indicate the line of valves occlusion.