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.
| Palaina capillacea | |
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| Specimen of Palaina capillacea at Naturalis Biodiversity Center | |
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. capillacea
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| Binomial name | |
| Palaina capillacea (Pfeiffer, 1855)
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| Location of Lord Howe Island | |
| Synonyms | |
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Description
editThe 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
editThe snail is common and widespread throughout the island.[1]
References
edit- ^ 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.
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