Gyropena verans

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.^[2]

Gyropena verans
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Charopidae
Subfamily:	Charopinae
Genus:	Gyropena
Species:	G. verans
Binomial name
Gyropena verans Iredale, 1944[1]
Location of Lord Howe Island

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.^[2]

Distribution and habitat

This very rare snail occurs on the summits and slopes of Mount Lidgbird and Mount Gower, inhabiting plant litter.^[2]

References

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

• MolluscaBase eds (2021). "Gyropena verans Iredale, 1944". MolluscaBase. Flanders Marine Institute. Retrieved 2021-08-25. {{cite web}}: |author= has generic name (help)