166.72 mm, F++/+++; Conrad, 1840; Tierra Verde, Florida.

187.43 mm, F++/+++; Conrad, 1840; Tierra Verde, Florida.

100.90 mm, F+/++, RARE! ; Sowerby, G.B. I, 1825; Bay of Campeche, W Mexico.

152.46 mm, F++; Lamarck 1816; Florida.

25.83 mm, Gem; Duclos, P.L., 1833; Playa de Jaco, Costa Rica.

66.62 mm, F+++; Sowerby 1842; India

102.2 мм, F +/++; Gray, J.E.,1850; Arctic ocean.

129.01 mm, F++; Middendorff, A.T. von, 1848; Kamchatka Peninsula, Russia.

66.8 mm, F+/++; Fraussen, K. & Y. Terryn, 2007; Kamchatka Peninsula, Russia.

156.09 mm, F+/++; Dall, 1907; Okhotsk Sea.

141.55 mm, F++; Galkin, Y.I. & O.A. Scarlato, 1955; Japan Sea.

110.9 mm, F++/+++; Mцrch, O.A.L., 1858; N Japan — Alaska.

55.5 mm, F+/++; Alexeyev, D.O. & Gornichnykh, 2009; Sakhalin Isl., E Russia.

54,8 мм F

57.8 mm, F++; Gray, J.E., 1824; Russia; North Sea.

76.75 mm, F+++/Gem; Linnaeus, 1758; Sri Lanka.