Crassiclava layardi explained
Crassiclava layardi is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
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.[1]
Distribution
This marine species occurs from Table Bay to East London, Republic South Africa
References
- 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
Notes and References
- Web site: 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 . 10.5962/bhl.title.13312 . 1897 . Sowerby . G. B. .