Bolma tayloriana explained

Bolma tayloriana, common name Taylor's star shell, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.^{[1] [2] [3] [4] [5]}

Description

The size of the shell varies between 60 mm and 90 mm. The imperforate, turbinate-conic shell is, flattened below, imperforate. It is purple rose colored. It is marked with indistinct and very oblique striations above, below white. The short-conic spire has rectilinear outlines. The about eight whorls are subconcave above, and slightly convex. They contain a subsutural subsquamose carina, and are encircled by numerous subequal granulose lirae. The body whorl is acutely carinated below the middle, slightly excavated above and flat below the carina. The base of the shell is white with an outer zone of purple red, concentrically ornamented with series of granules. The umbilical region has a white smooth callus, its margin stained with yellow. The arcuate columella is, white calloused.^[6]

Distribution

This marine species occurs off Japan, in the South China Sea and off South Africa.

External links

• Encyclopedia of Life
• World Register of Marine Species

Notes and References

1. Rosenberg, G.; Gofas, S. (2012). Bolma tayloriana (E. A. Smith, 1880). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=555230 on 2012-09-01
2. http://web1.australianmuseum.net.au/Uploads/Journals/17534/201_complete.pdf Beu A.G. & Ponder W.F. (1979) A revision of the species of Bolma Risso, 1826 (Gastropoda: Turbinidae). Records of the Australian Museum 32(1): 1-68. (31 May 1979)
3. Kilburn, R.N. & Rippey, E. (1982) Sea Shells of Southern Africa. Macmillan South Africa, Johannesburg, xi + 249 pp.
4. 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.
5. Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamilies Turbininae Rafinesque, 1815 and Prisogasterinae Hickman & McLean, 1990. In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. pp. 1-82, pls 104-245.
6. https://www.biodiversitylibrary.org/item/77914 G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia