''Achatinella decipiens'' 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 ...

mollusk in the family Achatinellidae. This species is endemic to Hawaii. Cooke considered ''Achatinella decipiens'' to be a subspecies of ''

Achatinella byronii ''Achatinella byronii'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species is endemic to Oahu, in the Hawaiian Islands. ''Achatinella byronii'' is the type species of ...

''.

Shell description

The rough sinistral (eastern range) or smooth dextral (western range) shell is conically-elongate, solid, slightly rounded, and margined above. The shell has six

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 aperture is elongately-ovate and the lip is subreflected. The columella is short, obliquely twisted and has an expanded callus. The suture is slightly impressed with numerous longitudinal, oblique striae. Shell color is white with yellow transverse bands, or yellow with white transverse lines and longitudinal chestnut colored stripes. The height of the shell is 20.5 mm. The width of the shell is 9.0 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=Q308957 decipiens Molluscs of Hawaii Endemic fauna of Hawaii Critically endangered fauna of the United States Gastropods described in 1854 Taxonomy articles created by Polbot ESA endangered species