Alvania suprasculpta

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Alvania suprasculpta
Alvania suprasculpta 001.jpg
Shell of Alvania suprasculpta (specimen at the Natural History Museum, Rotterdam)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Rissooidea
Family: Rissoidae
Genus: Alvania
Species:
A. suprasculpta
Binomial name
Alvania suprasculpta
May, 1915
Synonyms
  • Alvania (Linemera) suprasculptaMay, 1915 · unaccepted
  • Merelina subreticulataLaseron, 1950 ·

Alvania suprasculpta is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae. [1]

Contents

Description

The length of the shell attains 2.3 mm, its diameter 1.1 mm.

(Original description) The elongate shell is white or yellowish. It contains 5½ rounded whorls. The suture is well impressed. The protoconch consists of 1½ smooth whorls. The teleoconch comprises four whorls. The spire whorls bear three spiral keels, about equally spaced. They are crossed by numerous axials of about equal size and distance, forming square meshes, which latter are finely spirally lirate. Small nodules are formed by the junction of the keels. On the base of the body whorl there are three extra keels. The aperture is rounded. The outer lip is thickened and scalloped by the keels. [2]

Distribution

This marine species is endemic to Australia and occurs off New South Wales, Queensland, South Australia, Tasmania and Victoria.

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References

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