''Achatinella vulpina'' is a species of air-breathing

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...

, a terrestrial

pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

in the family Achatinellidae. This species is endemic to Hawaii.

Shell description

The dextral or sinistral shell is ovate-conic, and colored glossy yellow, green, olive or chestnut; often banded with green or chestnut. The shell has 6

whorls A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral d ...

. The color pattern is extremely variable. The height of the shell is 19.0 mm. The width of the shell is 10.0 mm.

References

This article incorporates public domain text (a public domain

work of the United States Government A work of the United States government, is defined by the United States copyright law, as "a work prepared by an officer or employee of the United States Government as part of that person's official duties." "A 'work of the United States Governmen ...

) from reference. U.S. Fish and Wildlife Service. (1992) Recovery Plan for the O’ahu Tree Snails of the Genus ''Achatinella''. U.S. Fish and Wildlife Service, Portland, Oregon, 64 pp. + 64 pp. of appendices + 5 figures
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/ref> {{Taxonbar, from=Q967976 vulpina Molluscs of Hawaii Endemic fauna of Hawaii Critically endangered fauna of the United States Gastropods described in 1824 Taxonomy articles created by Polbot ESA endangered species