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Clionella halistrepta (Bartsch 1915)

Clionella halistrepta

provided by wikipedia EN

Clionella halistrepta is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.[1]

Description

The size of the shell varies between 25 mm and 42 mm.

(Original description) The shell has a fusiform shape. The whorls are marked by a narrow, obscurely nodulous spiral keel at the summit, which is followed by a depressed spiral sulcus that equals the keel in width. The two comprise the posterior two-fifths of the whorls between the sutures. The anterior three-fifths are marked by strong, broad, low, rounded, slightly protractive axial ribs, which are strongest at their junction with the sulcus, beyond which they scarcely extend. The type has lost the early whorls; upon the first of those remaining there are 10 and upon the rest, 12 ribs. Intercostal spaces are about one-half as wide as the ribs. On account of the closely appressed summits, the sutures are poorly defined. The base of the body whorl is moderately long, marked by the continuations of the ribs, which gradually weaken in strength as they pass forward. The entire surface of the spire and base are marked by lines of growth and numerous, closely crowded, fine, wavy, spiral striations. The posterior angle of the aperture is acute, sinus below the keel at the summit. The sigmoid columella is covered by a thin callus which also extends over the parietal wall, in the posterior portion of which it becomes decidedly thickened. The ground color of the shell is cream yellow. The intercostal spaces and slight extensions of their areas posteriorly across the sulcus and the summit of the keel are chestnut brown. The same coloration appears within the aperture.[2]

Distribution

This marine species occurs off Jeffrey's Bay - East London, South Africa.

References

  • Kilburn, R.N. (1985). Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 2. Subfamily Clavatulinae. Ann. Natal Mus. 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): 152

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Clionella halistrepta: Brief Summary

provided by wikipedia EN

Clionella halistrepta is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.

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Clionella halistrepta ( Dutch; Flemish )

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Clionella halistrepta is een slakkensoort uit de familie van de Clavatulidae.[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1915 door Bartsch.

Bronnen, noten en/of referenties
  1. WoRMS (2012). Clionella halistrepta (Bartsch, 1915). Geraadpleegd via: World Register of Marine Species op http://www.marinespecies.org/aphia.php?p=taxdetails&id=433313
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09-03-2013
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Clionella halistrepta ( Portuguese )

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Clionella halistrepta é uma espécie de gastrópode do gênero Clionella, pertencente a família Clavatulidae.[2]

Referências

  1. Clionella halistrepta (Bartsch, 1915). Consultado através de: World Register of Marine Species em 4 April 2010.
  2. «Marinespecies». Clionella halistrepta (em inglês). Consultado em 5 de maio de 2010
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Clionella halistrepta: Brief Summary ( Portuguese )

provided by wikipedia PT

Clionella halistrepta é uma espécie de gastrópode do gênero Clionella, pertencente a família Clavatulidae.

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Clionella halistrepta ( Vietnamese )

provided by wikipedia VI

Clionella halistrepta là một loài ốc biển, là động vật thân mềm chân bụng sống ở biển thuộc họ Clavatulidae.[1]

Miêu tả

Phân bố

Chú thích

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Clionella halistrepta: Brief Summary ( Vietnamese )

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Clionella halistrepta là một loài ốc biển, là động vật thân mềm chân bụng sống ở biển thuộc họ Clavatulidae.

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Wikipedia tác giả và biên tập viên
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wikipedia VI