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 References External links Bouchet, P.; Kantor, Y. I.; Sysoev, A.; Puillandre, N. (2011). A new operational classification of the Conoidea (Gastropoda). Journal of Molluscan Studies. 77(3): 273-308 Gastropod genera