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C. geographus has a broad, thin shell, cylindrically inflated. Geography cones grow to about 10 to 15 cm (4 to 6 in) in length. The size of an adult shell varies between 43 and 166 mm (1.7 and 6.5 in). The ground color of the shell is pink or violaceous white, occasionally reddish.
Some previous classifications grouped the cone snails in a subfamily, Coninae. As of March 2015 Conidae contained over 800 recognized species, varying widely in size from lengths of 1.3 cm to 21.6 cm. Working in 18th-century Europe, Carl Linnaeus knew of only 30 species that are still considered valid.
The shells of cone snails vary in size and are conical in shape. The shell is whorled in the form of an inverted cone, with the anterior end being narrower. The protruding parts of the top of the whorls, that form the spire, are in the shape of another more flattened cone. The aperture is elongated and narrow with the sharp operculum being very ...
This list of Conus species is a listing of species in the genus Conus, a genus of sea snails, specifically cone snails, marine gastropod mollusks in the family Conidae. [1] For many years, all of the cone snails were placed in the genus Conus. More recently a large number of species have been moved to other genera.
The thick shell of species in the genus Conus sensu stricto, is obconic, with the whorls enrolled upon themselves. The spire is short, smooth or tuberculated. The narrow aperture is elongated with parallel margins and is truncated at the base. The operculum is very small relative to the size of the shell.
The size of an adult shell varies between 65 mm and 163 mm. The shell is rather narrow and has an elevated spire. The color of the shell is chocolate-brown, covered by elevated close revolving lines of darker color. The surface is irregularly overlaid by subtriangular white spots, some of which are very large.
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The size of the shell varies between 19.7 mm and 59 mm. The color of the shell is white, sometimes rose-tinted, with three or four revolving bands composed of irregular longitudinal dark chocolate or nearly black markings. The black markings are more continuous, so as usually to cover the length of the shell except an irregular white central band.