The yellowish-brown shell is up to 75 mm in diameter, and is adorned by 18 to 22 spiny ridges. Its margin is crenulate and its inner surface is white, and also prominently grooved.[2]
The prickly cockle is found in the British Isles and northwestern Europe. It lives within a few centimetres of the sea bottom, at depths of 3 m or more. Dead shells are commonly washed up on the beach.[2]
^ abBieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2023). "Acanthocardia echinata (Linnaeus, 1758)". MolluscaBase. World Register of Marine Species. Retrieved 27 June 2023.