Clionella semicostata

Clionella semicostata
Drawing of Clionella semicostata
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Hypsogastropoda clade Neogastropoda
Superfamily:	Conoidea
Family:	Clavatulidae
Genus:	Clionella
Species:	C. semicostata
Binomial name
Clionella semicostata (Kiener, 1840)
Synonyms[1]
Drillia halidoma Bartsch, P., 1915 Pleurotoma nux Reeve, L.A., 1845 Pleurotoma semicostata Kiener, 1840 Pleurotoma sigillata Reeve, L.A., 1846

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

Description

The size of an adult shell varies between 15 mm and 32 mm. The whorls are with shallow channel above. The periphery of the shell is nodulous by the terminations of short, oblique, rather distant ribs. The anal sinus is broad. The color of the shell is light yellowish brown. ^[3]

Distribution

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

References

1. ^ ^{a b} Clionella semicostata (Kiener, 1840).  Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=216088 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

• Kilburn, R.N. (1985). Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 2. Subfamily Clavatulinae. Ann. Natal Mus. 26(2), 417-470.

External links

• Gastropods.com: Clionella semicostata; accessed : 23 August 2011