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 Oā€™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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