Because of its morphological variability and its wide range of distribution, there are over 500 synonyms for this species.

[2] The shell is thin but large (approximately 10 to 20 cm) and rather flat, even at the umbo.

It differs from Anodonta anatina in being larger shell with straighter, more parallel dorsal and ventral margins; the growth lines of the inner, oldest part of the shell are finer and shallower, and reach the margin.

The geographical distribution of this species is from the British Isles east to Siberia, and south into northern Africa.

They have a strong pungent odor and are used by carp fisherman as bait.