Fig. 4. A in Conchological Variability Of Anadara Inaequivalvis (Bivalvia, Arcidae) In The Black-Azov Sea Basin

Fig. 4. A ratio of basic types of the shell shape in A. inaequivalvis from the Black Sea and the Sea of Azov. Enumerated forms correspond to those in the text discussed; the first symbol specifies an absolute number of valves in the sample, the second symbol means a percentage share of this form in the sample.