Oxystele tigrina

Oxystele tigrina, common name the tiger top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1]

Oxystele tigrina
Oxystele tigrina
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Oxystele
Species:
O. tigrina
Binomial name
Oxystele tigrina
(Anton, 1839)
Synonyms[1]
  • Diloma (Oxystele) tigrina (Anton, H.E., 1839))
  • Monodonta tigrinus Odhner, 1923
  • Oxystele sagittifera var. perdix Koch in Turton, 1932
  • Oxystele tigrinus Turton 1932
  • Trochus tigrinus Anton, 1839 (original description)

Description

The size of an adult shell varies between 25 mm and 43 mm. The more or less elevated, imperforate shell has a conoidal shape. It is lusterless blackish or purplish, unicolored or with a few scattered white dots, or yellowish flexiious lines. The yellow or whitish, apical whorls are eroded. The about 6 whorls are spirally coarsely but obsoletely lirate. The large aperture lis oblique with a black border and is silvery within. The simple columella is white or yellowish, bordered by a dull purplish streak. The parietal wall is usually covered by a thin silvery callus.[2]

Distribution

This marine species occurs along Namibia and the south coast of South Africa.

References
  1. Oxystele tigrina (Anton, 1839). Retrieved through: World Register of Marine Species on 2 July 2011.
  2. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
  • Kilburn, R.N. (1977) Taxonomic studies on the marine Mollusca of southern Africa and Mozambique. Part 1. Annals of the Natal Museum, 23, 173–214
  • 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): 24
  • Branch, G.M. et al. (2002). Two Oceans. 5th impression. David Philip, Cate Town & Johannesburg.
  • Donald K.M., Kennedy M. & Spencer H.G. (2005) The phylogeny and taxonomy of austral monodontine topshells (Mollusca: Gastropoda: Trochidae), inferred from DNA sequences. Molecular Phylogenetics and Evolution 37: 474–483
  • "Diloma (Oxystele) tigrina". Gastropods.com. Retrieved 2 July 2011.
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