Biology:Crassiclava layardi
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Short description: Species of gastropod
| Crassiclava layardi | |
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| Apertural view of a shell of Crassiclava layardi | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Superfamily: | Conoidea |
| Family: | Pseudomelatomidae |
| Genus: | Crassiclava |
| Species: | C. layardi
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| Binomial name | |
| Crassiclava layardi (Sowerby III, 1897)
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| Synonyms[1] | |
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Crassiclava layardi is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.[1]
Description
The length of the shell attains 12 mm, its diameter 4 mm.
The smooth, turreted, narrowly claviform shell is reddish brown to uniform dark brown. It shows 7 moderately strong longitudinal ribs. It contains 7 obtusely angulated whorls, above the shoulder slightly concave, below almost convex. The spiral lirae are feeble. The aperture is oblong-ovate. The columella is upright and shows a slight callus on top. The outer lip is arcuate with a wide sinus and not deeply emarginate.[2]
Distribution
This marine species occurs from Table Bay to East London, Republic South Africa
References
- ↑ 1.0 1.1 Crassiclava layardi (Sowerby III, 1897). Retrieved through: World Register of Marine Species on 7 July 2012.
- ↑ Sowerby III, G. B. (1897). Appendix to marine shells of South Africa : a catalogue of all the known species with references to figures in various works, descriptions of new species, and figures of such as are new, little known, or hitherto unfigured. London: G.B. Sowerby, 42 pp., 8 pls.
- Turton W.H. (1932). Marine Shells of Port Alfred, S. Africa. Humphrey Milford, London, xvi + 331 pp., 70 pls. page(s): 22, pl. 4, sp. 170
- Kilburn, R.N. & Rippey, E. (1982) Sea Shells of Southern Africa. Macmillan South Africa, Johannesburg, xi + 249 pp. page(s): 116
- 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): 152
External links
- Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)". Zootaxa 682: 1–1295. http://www.mapress.com/zootaxa/2004f/z00682f.pdf.
Wikidata ☰ Q3714979 entry
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