Summary[
edit] Description: Spondylus gaederopus, Mediterranean Sea, Spain, Costa bRava, Playa d'Aro, Cap Roig, rocky shore, September 2004, shown is the upper valve from outside (with quite short thornes) and the inside with the hinge-line. Date: 24 September 2007. Source: self-made, scanner. Author:
Weitbrecht.