Palaina embra

Palaina embra
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Architaenioglossa
Family:	Diplommatinidae
Genus:	Palaina
Species:	P. embra
Binomial name
	Palaina embra; Iredale, 1944
	Location of Lord Howe Island

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

Description

The pupiform shell of adult snails is 3 mm in height, with a diameter of 1.8 mm. It is white in colour, with golden-brown apical whorls and impressed sutures. It has strong, widely spaced, axal ribs. The umbilicus is closed. The circular aperture has a weakly reflected lip and an operculum is present.

Habitat

The snail is most common in the southern mountains of the island.

References

↑ Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist. 10 (3): 299–334.
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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[iredale44-1] Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist. 10 (3): 299–334.

[h&k-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.