The use of marine shells as raw material for making polished tools: an artifact discovered in Costamar (Castellón)

Abstract

The uniqueness of a polished tool recovered from the neolithic levels of the prehistoric site of Costamar (Castellón, Spain) raised a detailed analysis of both the nature of the support, which has been identified as a sea shell concerning the species Spondylus gaederopus, as traces of use preserved at the edge that allows us to define the tool as an adze.