Clathorthalicus and Corona species. A–B Clathorthalicus magnificus (Pfeiffer, 1848), syntype NHMUK 20100508 (H = 46.6) C–DCorona incisa (Hupé, 1857), lectotype of Bulimus incisus Hupé MNHN 28068 (H = 73.8) E–G Corona regina (Férussac, 1823), lectotype MNHN 21881 (H = 45).