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Shells of Muricanthus nigritus can reach a length of 75–200 millimetres (3.0–7.9 in). [2] These large shells are black and white with black or dark brown stripes. The shell surface bears short spikes around the body whorl and spire. The aperture is porcelaneous white. [citation needed] This species is quite similar to Hexaplex radix. The ...
Dwarf fan shell Chlamys tincta (Cape Columbine to Mozambique) [2] [3] Scallop Pecten sulcicostatus (Cape Point to Eastern Cape) [2] [3] Limidae – File shells File shell Limaria tuberculata (Cape Columbine to KwaZulu-Natal south coast) [2] Cardiidae – Cockles Cockle Trachycardium flavum (Central KwaZulu-Natal to Mozambique) [2]
Most adults have shells which are 20 to 50 mm (or about an inch, to an inch and three quarters) in diameter. Adults weigh anywhere from 2 to 20 grams. [4] Individuals can live anywhere from 7 to 30 years; studies have shown that individuals inhabiting the more northern portions of the organism's range are larger and live longer on average than organisms inhabiting the southern portions.
Cittarium pica, common name the West Indian top shell or magpie shell, is a species of large edible sea snail, a marine gastropod mollusk in the family Tegulidae. This species has a large black and white shell .
The snails have a shell 5 to 7 centimeters in diameter. The cone-like shell coils up from a flat base. The spirals are composed of vibrant shades of black, white, and brown. The body and its tentacles are striped as well to match the shell. Its operculum is made of a horn-like material. [2] A shell of Architectonica perspectiva.
A shell of Clanculus puniceus showing the aperture. The size of an adult shell of Clanculus puniceus varies between 13 mm and 22 mm. These small, robust shells are wide-conical, low spired and have a granulated coral red surface, with a pattern of small black and white dots.
Mitridae, known as mitres or mitre shells, are a taxonomic family of sea snails, widely distributed marine gastropod molluscs in the clade Mitroidea. [1]Both the Latin name and the common name are taken from the item of ecclesiastical headgear, the mitre or miter, used in reference to the elongated and slender shape of the shells.
Conus ebraeus has an easily recognisable small, squat shell, with a rounded, short spire. [3] The shell is white, with a pattern of blackish squares, [3] sometimes rose-tinted, with three or four revolving bands composed of irregular longitudinal dark chocolate or nearly black markings; these markings also ornament the slightly coronated spire. [5]