The anterior shield is 2.2 cm long, with its posterior edge projecting freely by 6 mm.

The shell is membranous with a faint yellowish tint, and only the small nuclear portion shows slight calcification.

It is yellowish-white both internally and externally, with the usual rounded prismatic form and structure, and walls of the arrow-shaped cavity are 0.25–0.3 mm thick.

[3] The body has a mottled brown-black and cream appearance, covered with white or yellow spots.

[2] This marine species is endemic to South Africa and occurs off False Bay to East London.