Huge 8”=20 cm, Cymbiola imperialis, the imperial volute sea shell from Philippines. Length: 8 inches = 20 cm Weight: 1 lb. 5.3 oz. = 603 g; Cymbiola imperialis, the imperial volute, is a species of sea snail, a marine gastropod mollusk of the genus Cymbiola in the family Volutidae, the volutes. Shells of Cymbiola imperialis can reach a size of 70–250 millimeters (2.8–9.8 in).[5] These large and glossy shells are elongate and fusiform, light to heavy in weight. The basic color is whitish. The spire is high, with canaliculate sutures, strong red-brown axial ribs and narrow red-brown spiral lines. The aperture is whitish, elongate-ovate, with the outer lip showing many black denticles. The operculum is dark brown, thick and small.[6] This species can be found in the Philippines, Sulu Sea.[2][5][7]