Gyropena verans

Gyropena verans
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Charopidae
Subfamily:	Charopinae
Genus:	Gyropena
Species:	G. verans
Binomial name
	Gyropena verans; Iredale, 1944
	Location of Lord Howe Island

Gyropena verans, also known as the sunken-spired 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.

Description

The shell of the snail is 1.3–1.5 mm in height, with a diameter of 2.7–2.9 mm. The colour is pale fawn with irregular brown flammulations (flame-like markings). The shape is discoidal with a sunken spire, shouldered whorls, impressed sutures, and with prominent, closely-spaced radial ribs. The umbilicus is widely open. The aperture is roundly lunate. The animal is unknown.

Distribution and habitat

This very rare snail occurs on the summits and slopes of Mount Lidgbird and Mount Gower, inhabiting plant litter.

References

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

"Gyropena verans Iredale, 1944". MolluscaBase. Flanders Marine Institute. 2021. Retrieved 2021-08-25.

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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] 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.