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Palaina capillacea

From Wikipedia, the free encyclopedia

Palaina capillacea
Specimen of Palaina capillacea at Naturalis Biodiversity Center
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Architaenioglossa
Superfamily: Cyclophoroidea
Family: Diplommatinidae
Genus: Palaina
Species:
P. capillacea
Binomial name
Palaina capillacea
(Pfeiffer, 1855)
Location of Lord Howe Island
Synonyms
  • Diplommatina capillacea Pfeiff., 1855
  • Palaina capillacea definita Iredale, 1944
  • Palaina howeinsulae Iredale, 1944
  • Palaina nicholsae Iredale, 1944

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

Description

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The pupiform shell of adult snails is 3.8–4.1 mm in height, with a diameter of 1.9–2.1 mm and a conical spire. It is white in colour, with impressed sutures. It has bold, closely spaced, axal ribs. The umbilicus is closed. The circular aperture has a flared lip and an operculum is present. The animal has a white body with dark grey cephalic tentacles and black eyes.[1]

Habitat

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The snail is common and widespread throughout the island.[1]

References

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  1. ^ a b 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.