Gyropena
Genus of land snails
From Wikipedia, the free encyclopedia
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]
| Gyropena | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Superfamily: | Punctoidea |
| Family: | Charopidae |
| Subfamily: | Charopinae |
| Genus: | Gyropena Iredale, 1944[1] |
Species
- Gyropena minuta Shea & Griffiths, 2010 – Mount Gower pinwheel snail
- Gyropena verans Iredale, 1944 – sunken-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]