Palaina edwardi
Species of land snail
From Wikipedia, the free encyclopedia
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.
| Palaina edwardi | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Architaenioglossa |
| Family: | Diplommatinidae |
| Genus: | Palaina |
| Species: | P. edwardi |
| Binomial name | |
| Palaina edwardi | |
| |
| Location of Lord Howe Island | |
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]
