Solid shell up to about 13cm in length. The shell gapes at each end. It is white, yellow or fawn in colour and the inside is white. The surface of the shell is sculptured with fine concentric rings and ridges. Pallial sinus is deep.
- The lower margin of the pallial sinus is not confluent with the pallial line
Burrows in sand, sandy mud and gravel smetimes to a depth of a few feet. It has long siphons that allow it to continue to filter feed from this depth. It is particularly common in the muddy bottoms of estuaries.
CommonDistributed from the Norwegian Sea to the Iberian Peninsula and into the Mediterranean.