Scissurella costata

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Scissurella costata
Scissurella costata.jpg
Drawing of the Scissurella costata
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Lepetellida
Family: Scissurellidae
Genus: Scissurella
Species:
S. costata
Binomial name
Scissurella costata
d'Orbigny, 1824 [1]
Synonyms
  • Argonanta uniumbilicatusO. G. Costa, 1828
  • Delphinula calcaroidesCantraine, 1842
  • Padollus orbignyiO. G. Costa, 1839
  • Scissurella cancellataJeffreys, 1856
  • Scissurella decipiensO.G. Costa, 1861
  • † Scissurella decussatad'Orbigny, 1824
  • Scissurella dorbignyiScacchi, 1836
  • † Scissurella elegansd'Orbigny, 1824
  • Scissurella laevigatad'Orbigny, 1824
  • Scissurella plicataPhilippi, 1836
  • Scissurella striatulaPhilippi, 1844

Scissurella costata is a species of minute sea snail, a marine gastropod mollusk in the family Scissurellidae. [2]

Contents

Description

The size of the shell varies between 1 mm and 2.5 mm. The thin, white shell is transparent. The spire is depressed, and composed of 4 whorls that are plane on their upper surfaces, strongly carinated at the periphery, and convex below the carina. The body whorl is very large, and widely umbilicated. The oblique aperture is subquadrangular. The simple columella is arcuate. The simple lip is sinuous, with a narrow profound fissure. The slit fasciole forms the carina of the whorls, with elevated, lamellar edges, and arcuate growth lamellae. The umbilicus is broad and deep. It is carinated at the border. The surface is sculptured with arcuate longitudinal riblets, widely spaced and a little undulating, and fine spiral striae. [3]

Distribution

This marine species occurs off Spain (Tenerife), Canary Islands), Portugal (Madeira)and in the Mediterranean Sea and the Adriatic Sea.

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References

  1. ↑ d'Orbigny, Mem. Soc. Hist. Nat. Paris I, p. 340, t. 23, f. 2, 1823.
  2. ↑ Scissurella costata d'Orbigny, 1824 . Retrieved through: World Register of Marine Species  on 11 April 2010.
  3. ↑ G.W. Tryon (1890), Manual of Conchology vol. XII
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