Sinezona

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Sinezona is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Scissurellidae, the little slit shells.[1]

Description

The shell has turbinate or depressed turbinate form. The anal fissure is closed, forming a foramen in the outer wall of the aperture. The slit fasciole is shorter, not over 1½ whorls in length.

Sinezona is a Scissurella in which the anal slit becomes closed in the adult, and transformed into an oblong perforation like one of the holes of a Haliotis.[2]

Distribution

This marine genus occurs worldwide.

Species

Species in the genus Sinezona include:[1] [3][4]

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Nomine dubia
  • Sinezona concinna (G. B. Sowerby I, 1831)
  • Sinezona miranda (A. Adams, 1862)
  • Sinezona modesta (A. Adams, 1862)
  • Sinezona paumotuensis (Garrett, 1872)
Species brought into synonymy

References

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  • Geiger D.L. (2003). Phylogenetic assessment of characters proposed for the generic classification of Recent Scissurellidae (Gastropoda: Vetigastropoda) with a description of one new genus and six new species frop Easter Island and Australia. Molluscan Research 23:21-83
  • 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

External links

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