About Turbo cidaris Gmelin, 1791
Description: The shell of Turbo cidaris Gmelin, 1791 has a length that ranges from 25 mm to 60 mm. The shell is imperforate, smooth, polished, and shaped like a depressed helicoid. Its color can be reddish, brown, or yellow; it is usually marked with white flame-like patterns on the upper section, and shows varied white markings on the lower section. The spire is short and holds 5 to 6 whorls. The upper whorls are double-keeled, while the final whorl is often considerably descending and rounded. The aperture is circular, oblique, white on the interior, and rounded at the bottom. The wide columella is callous, and is hollowed out at the umbilical region. The operculum is slightly concave on the inner side, has six whorls and a subcentral apex. Its outer surface is sharply granulate, white, convex, and spiral, with a central pit. Distribution: This species is found in the Indian Ocean off the coasts of Mozambique and South Africa. It has also been recorded off the coasts of Angola and Indonesia.
