Palaina embra
Species of land snail
From Wikipedia, the free encyclopedia
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.
| 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 | |
| |
| Location of Lord Howe Island | |
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]
