Clionella semicostata

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Clionella semicostata
Clionella semicostata 001.jpg
Four shells of Clionella semicostata (museum specimens at Naturalis Biodiversity Center)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Clavatulidae
Genus: Clionella
Species:
C. semicostata
Binomial name
Clionella semicostata
(Kiener, 1840)
Synonyms [1]
  • Clavatula semicostata(Kiener, 1840)
  • Drillia halidomaBartsch, P., 1915
  • Pleurotoma nuxReeve, L.A., 1845
  • Pleurotoma semicostataKiener, 1840 (original combination)
  • Pleurotoma sigillataReeve, L.A., 1846
  • Pleurotoma (Clionella) sigillataWeinkauff, 1876

Clionella semicostata is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae. [1] [2]

Contents

Description

The size of an adult shell varies between 15 mm and 32 mm. The whorls are with shallow channel above. The shoulder angle is situated above or at the middle of the whorl. The body whorl has an obconical shape. The yellowish-brown to dark brown periphery of the shell is nodulous by the terminations of short, oblique, rather distant axial ribs (numbering 12-14). The spiral striae are faint to distinct. The anal sinus is broad. The color of the shell is a uniform light yellowish brown. [3]

Distribution

This marine species occurs from False Bay to Cape Agulhas, South Africa

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References

Clionella semicostata (holotype of Drillia halidoma at the Smithsonian Institution) Clionella semicostata 002.jpg
Clionella semicostata (holotype of Drillia halidoma at the Smithsonian Institution)
  1. 1 2 Clionella semicostata (Kiener, 1840) . Retrieved through: World Register of Marine Species  on 4 April 2010.
  2. P. Bouchet; Yu. I. Kantor; A. Sysoev; N. Puillandre (2011). "A new operational classification of the Conoidea (Gastropoda)". Journal of Molluscan Studies . 77 (3): 273–308. doi: 10.1093/mollus/eyr017 .
  3. George Washington Tryon, Manual of Conchology vol. VI p. 233; 1884