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Sinezona cingulata

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Sinezona cingulata
Drawing with two views of a shell of Sinezona cingulata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Lepetellida
Family: Scissurellidae
Genus: Sinezona
Species:
S. cingulata
Binomial name
Sinezona cingulata
(Costa O.G., 1861) [1]
Synonyms
  • Schismope depressa Watson, 1897
  • Schismope fayalensis Dautzenberg, 1889
  • Scissurella cingulata O. G. Costa, 1861 (original combination)
  • Sinezona crossei (de Folin, 1869)
  • Sinezona fayalensis (Dautzenberg, 1889)
  • Trochotoma crossei de Folin, 1869

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

Description

The size of the extremely minute shell varies between 0.6 mm and 1 mm. The white, fragile and thin shell has a globose-turbinate shape. The spire is very short and obtuse. The three whorls are very convex, and rapidly increasing. They are sculptured with distant elevated radiating lamellae. The body whorl is very large, globose, with longitudinal rather distant lamellae. The interstices are decussated by numerous very fine growth lines and spiral lirulae. The anal fasciole starts on the body whorl opposite the aperture, terminating in a long, narrow slit which does not attain the edge of the peristome. Its elevated margins are irregular and lamellar. The ovate aperture is narrower above.[3]

Distribution

This marine species has a wide distribution. It occurs off the West Indies, West Africa and in the Mediterranean Sea.

References

  1. ^ Costa, Microd. Medit., p. 61, t. 12, f. 8, 9, 1861.
  2. ^ Sinezona cingulata (Costa O.G., 1861). Retrieved through: World Register of Marine Species on 23 March 2013.
  3. ^ G.W. Tryon (1890), Manual of Conchology vol. XII
  • Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda
  • Geiger D.L. (2012) Monograph of the little slit shells. Volume 1. Introduction, Scissurellidae. pp. 1–728. Volume 2. Anatomidae, Larocheidae, Depressizonidae, Sutilizonidae, Temnocinclidae. pp. 729–1291. Santa Barbara Museum of Natural History Monographs Number 7. [
  • "Sinezona cingulata". Gastropods.com. Retrieved 16 January 2019.
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