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Common Name

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Status

Regarded as a subspecies of C. algoensis.

Type Locality

Simonstown, False Bay, Western Cape Province, South Africa

Distribution

South Africa

Maximum Reported Size

71.8 mm

Description

Moderately small (25-35 mm), but specimens from the population of Simons Harbour and Windmill Beach are unusually large, attaining more than 70 mm in length. Last whorl conical, with a subangulate to rounded shoulder and straight sides. Spire of moderate height, with a straight profile, occasionally stepped. Sutural ramps slightly concave. Spiral ribs present around the basal region. Ground colour of the shell white. Aperture wider than in C. a. algoensis, often with adapically flaring lip. The aperture is white, with a diffuse orange-brown axial blotch in the upper part of the inner region. The pattern of the last whorl consists of interrupted brown axial streaks, and an interrupted spiral broad band below the shoulder, absent in certain specimens. Scattered brown dots and dashes are often present. The spire is patterned with thin brown axial flecks or streaks.

Radula: of intermediate vermivorous-molluscivorous type, long and slender, with one barb opposing a high, sharp blade. Waist indistinct, with the apical portion much longer than half of the size of the radular tooth. One row of denticles in the serration, which runs along the apical portion, ending on a crusp.

References

• Thes. Conch. 3 (Conus), pt. 18: p. 31, no. 269, pl. 9 (195), fig. 199.