Melloconcha grata

Melloconcha grata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Euconulidae
Subfamily:	Microcystinae
Tribe:	Liardetiini
Genus:	Melloconcha
Species:	M. grata
Binomial name
	Melloconcha grata; Iredale, 1944
	Location of Lord Howe Island

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]

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.
^ ^a ^b ^c 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. {{cite web}}: |author= has generic name (help)

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[iredale44-1] Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist. 10 (3): 299–334.

[h&k-2] 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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