Tropidoturris
Genus of gastropods
From Wikipedia, the free encyclopedia
Tropidoturris is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae.[1]
| Tropidoturris | |
|---|---|
| Apertural view of a shell of the subspecies Tropidoturris fossata notialis | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Superfamily: | Conoidea |
| Family: | Borsoniidae |
| Genus: | Tropidoturris Kilburn, 1986 |
| Type species | |
| Pleurotoma scitecosta Sowerby III, 1903 | |
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.[2]
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