Semilaoma lidgbirdensis
Semilaoma lidgbirdensis, also known as the Mount Lidgbird pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.[2]
| Semilaoma lidgbirdensis | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Punctidae |
| Genus: | Semilaoma |
| Species: | S. lidgbirdensis |
| Binomial name | |
| Semilaoma lidgbirdensis | |
 | |
| Location of Lord Howe Island | |
| Synonyms | |
| |
Description
The depressedly turbinate shell of the mature snail is 0.8–0.9 mm in height, with a diameter of 1.5–1.6 mm, and a low spire. It is pale golden in colour. The whorls are rounded above and below an angular periphery. The sutures are weakly impressed, with closely spaced, sinuate radial ribs. It has an ovately lunate aperture, and a very narrow, sometimes closed, umbilicus. The animal is unknown.[2]
Distribution and habitat
The snail is common and widespread across the island in lowland forest, rainforest and scrub.[2]
References
- Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist. 10 (3): 299–334.
- Hyman, Isabel; Köhler, Frank (2020). A Field Guide to the Land Snails of Lord Howe Island. Sydney: Australian Museum. ISBN 978-0-9750476-8-2.
- "Semilaoma lidgbirdensis (Iredale, 1944)". MolluscaBase. Flanders Marine Institute. 2021. Retrieved 2021-08-17.
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