Clionella subventricosa

Clionella subventricosa
Clionella subventricosa kaffraria
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Clavatulidae
Genus:	Clionella
Species:	C. subventricosa
Binomial name
Clionella subventricosa (E.A. Smith, 1877)
Synonyms [1]
Clavatula subventricosa(E. A. Smith, 1877) Clionella subventricosa subventricosa(E. A. Smith, 1877) · accepted, alternate representation Pleurotoma subventricosaSmith E. A., 1877 (original combination)

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

Subspecies

• Clionella subventricosa kaffrariaKilburn, 1985 (Eastern Cape subspecies)
• Clionella subventricosa subventricosa(E. A. Smith, 1877)

Description

The shell grows to a length of 22 mm.

The ovate, rather dark brown shell has a squat, fusiform shape. The eight whorls are slightly convex. The spiral sculpture shows shallow, well-spaced grooves. The axial ribs are rounded and number 11-14 per whorl. The shoulder angle lies below the middle of the whorl. The periphery is flattened so that body whorl is weakly biangulate. The aperture is rather large with a rather narrow, slightly notched siphonal canal. The color inside the aperture shows various shades of pale brown. The anal sinus is very shallow. ^[3]

Distribution

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

References

1. Clionella subventricosa (E.A. Smith, 1877) . Retrieved through: World Register of Marine Species .
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. Smith, E.A. (1877). "Diagnoses of new Species of Pleurotomidae in the British Museum". The Annals and Magazine of Natural History: Including Zoology, Botany, and Geology. vol. xix. p. 499.

• Kilburn, R.N. (1985). Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 2. Subfamily Clavatulinae. Annals of the Natal Museum 26(2), 417–470
• Steyn, D.G. & Lussi, M. (1998) Marine Shells of South Africa. An Illustrated Collector's Guide to Beached Shells. Ekogilde Publishers, Hartebeespoort, South Africa, ii + 264 pp. page(s): 150

External links

• "Clionella subventricosa subventricosa". Gastropods.com. Retrieved 23 August 2011.