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Gyropena verans

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Gyropena verans
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Charopidae
Subfamily: Charopinae
Genus: Gyropena
Species:
G. verans
Binomial name
Gyropena verans
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.[2]

Description

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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

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

References

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