Liotella polypleura

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Liotella polypleura
Liotella polypleura 001.jpg
Original drawing with three views of a shell of Liotella polypleura
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Skeneidae
Genus: Liotella
Species:
L. polypleura
Binomial name
Liotella polypleura
(Hedley, 1904)
Synonyms

Liotia polypleuraHedley, 1904

Liotella polypleura is a minute species of minute sea snail, a marine gastropod mollusc in the family Skeneidae. [1]

Contents

Description

The height of the shell is 0.6 mm, its diameter 0.9 mm. The minute, thin, white shell has a turbinate shape. It is widely umbilicate. The spire is slightly umbilicate. The three whorls are loosely coiled. The body whorl contains 16 thick, prominent ribs that cross the whorl, slender on leaving the suture. They slant forward, thickening rapidly, but when turning they descend the periphery perpendicularly. On the base they bend and then taper and rapidly curve into the umbilicus, crenelating its margin. The interstices are smooth. The ribs on the penultimate whorl gradually vanish and the first whorl and a half is smooth. The subquadrate aperture is almost free. The peristome is formed by one of the ribs. [2]

Distribution

This marine species is endemic to New Zealand.

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References

  1. Rosenberg, G. (2012). Liotella polypleura (Hedley, 1904). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=598365 on 2012-09-11
  2. Ch. Hedley (1904), Additions to the Molluscan Fauna of New Zealand; Records of the Australian Museum v. 5 (2), 1903-1905