Specimen collected by A. Arthor from Grado, Italy.July 1983..
<em>Plagiocardium papillosum</em> (Poli, 1795)
RareA southern species, extending from the south side of the English Channel along Atlantic coasts to Angola, also Mediterranean.
Living in sand and shell gravel, 4-200m.
Up to 15mm long, 14mm high, 10mm wide, solid, plump, almost equilateral. 22-27 radial ribs, flattened with narrow pitted grooves between.