148.91 mm, F+++; Reeve, 1845; Philippines.

92.31 mm, F++/+++; Gmelin, J.F., 1791; PHILIPPINES.

70.7 mm, F+++; Reeve, 1845; Camocim, Brazil.

36.74 mm, F+++; Reeve, L.A.,1845; Philippines.

46.41 mm, F++/+++; Dall, 1925; East China sea.

47.0 mm, F++/+++; Hedley, 1903; AUSTRALIA.

51.69 mm, F+++; Shikama, T., 1977; Olanggo island, PHILIPPINES.

22.43 mm, F+++/gem; Bertsch, H. & d’Attilio, A, 1980; Mindanao Philippines.

61.46 mm, F+++; Sowerby, G.B. III, 1889; Philippines.

88.04 mm, F++/+++; Lamarck,J.B.P.,1822; Sri Lanka.

52.8 mm,F+++/Gem ; Lamarck, J.B.P., 1822; Brasil.

35.97 mm, F+++; Linnaeus, 1758; Philippines.

37.02 mm, F+++; Burch & Burch, R.D., 1960; Philippines.

135.5 mm, F++/+++; Lightfoot, J, ,1786; East China sea.

89.33 mm, F++/+++; Watson, R.B., 1883; Philippines.

49.0, F++/+++; Montrouzier in Souverbie , 1861; NEW CALEDONIA