Chlamys subsulcata
Rare. Distributed from northern Norway to the Mediterranean
The map provided here shows the distribution of the species based on Conchological Society data.
- Two types of rib, one smaller than the other, which alternate across the shell surface
- All ribs have one or two rows of tubercles
Brittle shell up to 2.5 cm in length. It is white, yellow, brown, pink or orange in colour. The surface is sculptured with broad ribs interspersed with finer ones all of which are covered with tubercles. Concentric lines are also present.