| Palaina embra | |
|---|---|
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Caenogastropoda | 
| Order: | Architaenioglossa | 
| Superfamily: | Cyclophoroidea | 
| Family: | Diplommatinidae | 
| Genus: | Palaina | 
| Species: | P. embra | 
| Binomial name | |
| Palaina embra | |
|  | |
| 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.[2]
Habitat
The snail is most common in the southern mountains of the island.[2]
References
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