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

Palaina macgillivrayi
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. macgillivrayi
Binomial name
Palaina macgillivrayi
(Pfeiff., 1855)
Location of Lord Howe Island

Description

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The pupiform shell of adult snails is 5.2–6.3 mm in height, with a diameter of 2.9–3.1 mm. It is golden-brown in colour, darker on the final whorl and with a white peripheral band, with widely spaced ribs. The circular aperture has a strongly reflected lip. The animal has a white body with dark grey cephalic tentacles and black eyes.[1]

Habitat

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The snail is widespread and common across 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.