Biology:Gyropena

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Short description: Genus of land snails

Gyropena
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Superfamily: Punctoidea
Family: Charopidae
Subfamily: Charopinae
Genus: Gyropena
Iredale, 1944[1]

Gyropena is a genus of two species of tiny pinwheel snails that are endemic to Australia 's Lord Howe Island in the Tasman Sea. [2]

Species

  • Gyropena minuta Shea & Griffiths, 2010Mount Gower pinwheel snail
  • Gyropena verans Iredale, 1944sunken-spired pinwheel snail

Description

The shells of these snails are 0.9–1.5 mm in height, with a diameter of 1.9–2.9 mm. The colour is golden-brown to pale fawn. The shape is discoidal with a low or sunken spire, whorls shouldered and sutures impressed, with prominent radial ribs. The umbilicus is widely open. The aperture is roundly lunate.[3]

Habitat

These snails are found at the southern end of the island, on the summits and slopes of Mount Lidgbird and Mount Gower, in leaf litter.[3]

References

  1. Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist 10 (3): 299–334. 
  2. MolluscaBase eds. (2021). MolluscaBase. Gyropena Iredale, 1944. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=818299 on 2021-07-12
  3. 3.0 3.1 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. 

Wikidata ☰ Q28041770 entry