. . . "Rhinoclavis sordidula (Gould, 1849)" . "Vertagus pfeifferi (Dunker, 1882)" . "Clava turritum var. pfeifferi (Dunker, 1882)" . . . "''Rhinoclavis'' (''Proclava'') ''sordidula''" . "Cerithium turritum (G.B. Sowerby II, 1855)" . "Cerithium (Vertagus) turritum (G.B. Sowerby II, 1855)" . . . . "Cerithium sordidulum (Gould, 1849)" . "Cerithium serratum var. sordidula (Gould, 1849)" . "Rhinoclavis sordidula" . . "Cerithium serratum (Brugui\u00E8re, 1789)" . . "Cerithium (Proclava) pfeifferi (Dunker, 1882)" . . . "Clava turritum (G.B. Sowerby II, 1855)" . "Rhinoclavis (Proclava) sordidula" . "Rhinoclavis sordidula" . . "Clava pfeifferi (Dunker, 1882)" .