Ividella quinquecincta

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Ividella quinquecincta
Odostomia quinquecincta 001.png
Apertural view of the shell of Ividella quinquecincta
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Ividella
Species:
I. quinquecincta
Binomial name
Ividella quinquecincta
(Carpenter, 1857) [1]
Synonyms [2]
  • Folinella quinquecincta(Carpenter, 1857)
  • Odostomia quinquecincta(Carpenter, 1857)
  • Odostomia (Ividella) quinquecincta Carpenter, 1857
  • Odostomia (Parthenia) quinquecincta Carpenter, 1857 (basionym)
  • Parthenia quinquecinctaCarpenter, 1857 (original combination)

Ividella quinquecincta is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. [3] [2]

Contents

Description

The shell has an elongate-ovate shape. Its length measures 1.8 mm. The whorls of the protoconch are tumid, obliquely immersed. The four whorls of the teleoconch are flattened, strongly tabulated, shouldered at the summit, and strongly contracted at the periphery. They are marked by strong lamellar ribs, of which 12 occur upon the first, 14 upon the second, and 16 upon the penultimate turn. In addition to the axial ribs, the whorls are marked by six strong spiral cords, one of which is at the angle of the shoulder and another at the periphery, the third falls a little anterior to the suture, while the other three divide the remainder of the base into four almost equal parts. The aperture is oval. The posterior angle is obtuse. The outer lip is thin, rendered angulated by the spiral cords. The columella is slender, curved, and somewdiat revolute. It is provided with an oblique fold at its insertion. The parietal wall is covered with a strong callus. [2]

Distribution

This species occurs in the Pacific Ocean off Mazatlán, Mexico

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References

  1. ↑ Carpenter, Cat. Mazatlan Shells, 1856, p. 414
  2. 1 2 3 William Healy Dall and Paul Bartsch , "A Monograph of West American Pyramidellid Mollusks" , Smithsonian Institution, 1909 (described as Odostomia (Ividella) quinquecincta )
  3. ↑ MolluscaBase eds. (2020). MolluscaBase. Ividella quinquecincta (Carpenter, 1857). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=868558 on 2020-11-25
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