Spurred Turban

Astralium calcar is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails. Description The height of the shell is 28 mm, its diameter 40 mm. The conoid shell is more or less depressed at the apex. Its color pattern is grayish greenish, or brownish cinereous. The six whorls are fla... Read more in Seabook