Achatinella sowerbyana

Achatinella sowerbyana is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species is endemic to Hawaii.

Achatinella sowerbyana

Critically Endangered  (IUCN 2.3)[1]
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
clade Orthurethra
Superfamily:
Achatinelloidea
Family:
Achatinellidae
Genus:
Achatinella
Subgenus:
Bulimella
Species:
A. sowerbyana
Binomial name
Achatinella sowerbyana
Pfeiffer, 1855
Synonyms
  • Achatinella oviformis Newcomb
  • Achatinella multicolor Pfeiffer
  • Bulimella sowerbiana Pfeiffer

Shell description

The sinistral or dextral shell is imperforate, conic-oblong and solid. The shell has 6 whorls. The spire is slightly convexly-conic and the apex subacute. The suture is margined and the whorls are slightly convex. The glossy color is tawny buff and slightly streaked with a deeper shade. The aperture is oblique and white within. The strong columellar fold is superior, twisted, and roseate. The peristome is rose-lipped with the outer margin shortly expanded and columellar margin dilated and adnate.[2]

The height of the shell is 18.0 mm. The width of the shell is 9.0 mm.[2]

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References

This article incorporates public domain text (a public domain work of the United States Government) from reference.[2]

  1. Hadfield M. & Hadway L. (1996). "Achatinella sowerbyana". The IUCN Red List of Threatened Species. IUCN. 1996: e.T197A13048918. doi:10.2305/IUCN.UK.1996.RLTS.T197A13048918.en. Retrieved 10 January 2018.
  2. U.S. Fish and Wildlife Service. (1992) Endangered Species 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. PDF
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