Palaina edwardi | |
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Scientific classification
![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Order: | Architaenioglossa |
Superfamily: | Cyclophoroidea |
Family: | Diplommatinidae |
Genus: | Palaina |
Species: | P. edwardi
|
Binomial name | |
Palaina edwardi | |
| |
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.
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]
The snail is rare and only found on the southern mountains of the island. [2]
Palaina edwardi | |
---|---|
Scientific classification
![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Order: | Architaenioglossa |
Superfamily: | Cyclophoroidea |
Family: | Diplommatinidae |
Genus: | Palaina |
Species: | P. edwardi
|
Binomial name | |
Palaina edwardi | |
| |
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.
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]
The snail is rare and only found on the southern mountains of the island. [2]