Tropidoturris

Tropidoturris is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae.

Description
The biconical shell shows spiral lirae, with or without strong axial ribs. The protoconch contains 1½ - 2 smooth whorls. The distinct shoulder angle is usually very strong and crenellated by axials (when present). The columella shows a thin callus but no pleats. The outer lip is thin. The anal sinus is deep and wide. The small, translucent operculum has an oblanceolate shape and a terminal nucleus.

Distribution
This marine species is endemic to south-eastern Africa

Species

 * Tropidoturris anaglypta Kilburn, 1986
 * Tropidoturris fossata (Sowerby III, 1903)
 * Tropidoturris planilirata Kilburn, 1986
 * Tropidoturris scitecosta (Sowerby III, 1903)
 * Tropidoturris simplicicingula (Barnard, 1958)
 * Tropidoturris vizcondei Morassi & Bonfitto, 2013