Palaina waterhousei

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Palaina waterhousei
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Architaenioglossa
Superfamily: Cyclophoroidea
Family: Diplommatinidae
Genus: Palaina
Species:
P. waterhousei
Binomial name
Palaina waterhousei
Iredale, 1944 [1]
Lord Howe Island.PNG
Location of Lord Howe Island

Palaina waterhousei, also known as the wide-ribbed staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.

Contents

Description

The pupiform shell of adult snails is 2.8–3.1 mm in height, with a diameter of 1.7 mm, with a domed spire. It is white in colour, with golden-brown apical whorls. It has widely spaced, axal ribs. The umbilicus is closed. The circular aperture has a strongly reflected lip and an operculum is present. [2]

Habitat

The snail is common and widespread across the island. [2]

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References

  1. ↑ Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist. 10 (3): 299–334.
  2. 1 2 Hyman, Isabel; Köhler, Frank (2020). A Field Guide to the Land Snails of Lord Howe Island. Sydney: Australian Museum. ISBN   978-0-9750476-8-2.
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