| Palaina lucia | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Architaenioglossa |
| Superfamily: | Cyclophoroidea |
| Family: | Diplommatinidae |
| Genus: | Palaina |
| Species: | P. lucia |
| Binomial name | |
| Palaina lucia | |
 | |
| Location of Lord Howe Island | |
Palaina lucia, also known as Lucy'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 3.2–3.5 mm in height, with a diameter of 1.9–2 mm. It is reddfish-brown in colour, with a white peripheral band on the final whorl, white radial streak above the aperture, and deeply impressed sutures. It has strong, widely spaced, axal ribs. The umbilicus is closed. The circular aperture has a strongly reflected lip and an operculum is present. [2]
The snail is found on the upper slopes and summits of the southern mountains. [2]
Monterissa gowerensis, also known as the Lord Howe microturban, is a species of minute cave snails with an operculum, gastropod mollusks in the family Hydrocenidae.
Palaina macgillivrayi, also known as Macgillivray's staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina intercollis, also known as the Intermediate Hill staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina levicostulata, also known as the fine-ribbed staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
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 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 waterhousei, also known as the wide-ribbed staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina deliciosa, also known as the minuscule staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
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.
Diphyoropa saturni, also known as the Sydney copper pinwheel snail, is a species of pinwheel snail that is endemic to eastern Australia.
Innesoconcha aberrans, also known as the black face glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Charopinesta goweri, also known as the Mount Gower pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Dignamoconcha is a monotypic genus of pinhead or dot snails that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Paralaoma compar, also known as the ribbed pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela gnoma, also known as the dwarf pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela howensis, also known as the Lord Howe pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Semilaoma costata, also known as the coarse-ribbed pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Semilaoma laevis, also known as the smooth pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pupisoma evada is a tiny species of land snail that is native to eastern Australia.
Charopella wilkinsoni, also known as Wilkinson's pinwheel snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the pinwheel snail family, that is endemic to Australia's Lord Howe Island in the Tasman Sea.
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