Biology:Palaina edwardi
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Short description: Species of land snail
| Palaina edwardi | |
|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Architaenioglossa |
| Superfamily: | Cyclophoroidea |
| Family: | Diplommatinidae |
| Genus: | Palaina |
| Species: | P. edwardi
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| Binomial name | |
| Palaina edwardi Iredale, 1944[1]
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| Location of Lord Howe Island | |
Palaina edwardi, also known as Edward's staircase snail, is a species of staircase snail that is endemic to Australia 's Lord Howe Island in the Tasman Sea.
Description
The globose pupiform shell of adult snails is 3–3.1 mm in height, with a diameter of 1.7 mm, with deeply impressed sutures. It is pale golden-brown in colour, with a white peripheral band on the final whorl and radial streak above the aperture. It has widely spaced axal ribs. The umbilicus is closed. The circular aperture has a strongly reflected lip and an operculum.[2]
Habitat
The snail is rare and only found on the southern mountains of the island.[2]
References
- ↑ Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist 10 (3): 299–334.
- ↑ 2.0 2.1 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.
Wikidata ☰ Q107024313 entry
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