Semilaoma lidgbirdensis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Punctidae
Genus: Semilaoma
Species:
S. lidgbirdensis
Binomial name
Semilaoma lidgbirdensis
(Iredale, 1944)[1]
Location of Lord Howe Island
Synonyms
  • Paralaoma lidgbirdensis Iredale, 1944
  • Semilaoma abjecta (Iredale, 1944)

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]

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

  1. ↑ Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist. 10 (3): 299–334.
  2. 1 2 3 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.
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