Melloconcha grata
Melloconcha grata, also known as the angulate glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.[2]
| Melloconcha grata | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Euconulidae |
| Subfamily: | Microcystinae |
| Tribe: | Liardetiini |
| Genus: | Melloconcha |
| Species: | M. grata |
| Binomial name | |
| Melloconcha grata | |
 | |
| Location of Lord Howe Island | |
Description
The trochoidal shell of the mature snail is 4.5 mm in height, with a diameter of 6.6 mm, and an elevated spire. It is smooth, glossy and golden-brown in colour The whorls are flattened above and rounded below with an angulate periphery, weakly impressed sutures and finely incised spiral grooves. It has an ovately lunate aperture and closed umbilicus.[2]
Distribution and habitat
The snail is known only from the summit, and possibly upper slopes, of Mount Gower. It is rare and may be extinct.[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.
- MolluscaBase eds (2021). "Melloconcha grata Iredale, 1944". MolluscaBase. Flanders Marine Institute. Retrieved 2021-08-04.
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