« Ovate-oblong, slightly compressed, thin, subpellucid, glossy, pink or rosy orange, with narrow deeper-coloured rays, crowded with minute concentric striae which become more distinct and elevated posteriorly ; ventral margin slightly convex ; anterior side the longer, obtusely rounded at its extremity, its dorsal edge scarcely at all declining ; posterior extremity wedge-shaped, the ligamental edge nearly straight ; ligament small but not sunken ; fold and flexure not conspicuous ; lateral teeth distinct, posterior the more distant. » – G. B. Sowerby: Thesaurus conchyliorum, vol. 1, London 1847 via BHL.