Trochus kochii

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Trochus kochii
Trochus kochii 001.jpg
Drawing showing two views of a shell of Trochus kochii
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Trochus
Species:
T. kochii
Binomial name
Trochus kochii
Philippi, 1844
Synonyms
  • Infundibulops kochii(Philippi, 1844)
  • Trochus (Infundibulum) kochiPhilippi, 1844 (original description)
  • Trochus listeriKiener

Trochus kochii is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. [1]

Contents

Description

The height of the shell attains 32 mm, its diameter 38 mm. The broad, rather solid shell has a conical shape. The spire is conic. The apex is generally eroded, corneous (orange colored). There are about 7 whorls, which are slightly convex. The shells are whitish, painted with oblique flexuose (angular brownish-green) radiating stripes. Nearly the whole surface can be suffused with bright green by the erosion of the outer layer. The sculpture consists of inconspicuous incremental striae and very oblique subobsolete folds. The flat base of the shell is very obsoletely lirate. Its middle portion (umbilical tract) is excavated, concave, strongly spirally grooved. The sculpture does not extend into the aperture nor to the edge of the columella, which is nacreous. The large aperture is very oblique, very iridescent and neither lirate nor toothed within. The basal lips and columella are simple, forming a regular curve. The columella shows a strong dentiform fold above. The green parietal wall is eroded and, nearly smooth.

Distribution

This marine species occurs off South Africa.

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References

  1. ↑ Bouchet, P. (2014). Trochus kochii Philippi, 1844. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512972 on 2014-06-16
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