. . "* Clypeomorus caeruleum (G.B. Sowerby II, 1855)" . "Cerithium caeruleum" . "Cerithium caeruleum" . . . . . . . "* Vertagus schroteri (M\u00F6rch, 1852)" . . . "* Cerithium caeruleum var. minima (H. Fischer & Vignal, 1901)" . . . . "* Cerithium tuberculatum (Lamarck, 1822)" .