Pernastela gnoma | |
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Location of Lord Howe Island | |
Scientific classification
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Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Heterobranchia |
Order: | Stylommatophora |
Family: | Punctidae |
Genus: | Pernastela |
Species: | P. gnoma
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Binomial name | |
Pernastela gnoma | |
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Location of Lord Howe Island |
Pernastela gnoma, also known as the dwarf pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea. [2]
The trochoidal shell of the mature snail is 0.8 mm in height, with a diameter of 1.2–1.3 mm, and a moderate spire. It is golden-brown in colour. The whorls are shouldered and sutures impressed, with moderately spaced radial ribs. It has an ovately lunate aperture and a narrow umbilicus. [2]
The snail is common and widespread across the island, inhabiting plant litter. [2]
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