Achatinella abbreviata

Achatinella abbreviata, an Oʻahu tree snail, is an extinct species of colorful tropical tree-living air-breathing land snail, an arboreal pulmonate gastropod mollusk in the genus Achatinella.

Achatinella abbreviata
Achatinella abbreviata shell
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Achatinoidea
Family:
Achatinellidae
Genus:
Achatinella
Subgenus:
Bulimella
Species:
† A. abbreviata
Binomial name
† Achatinella abbreviata
Reeve, 1850
Location of Oʻahu
Synonyms
  • Achatinella bacca Reeve
  • Achatinella nivosa Newcomb
  • Achatinella clementina Pfeiffer

Shell description

The dextral shell is ovate and somewhat ventricose with convex whorls margined round the upper shell. The shell has six whorls. The spire is rather short and obtuse at the apex. The columella is callous and twisted. Olive-yellow, with a black-brown line at the sutures; the lower part of the last whorl is very dark green and the apex is black.[2]

The height of the shell is 19.0 mm. The width of the shell is 10.0 mm.[2]

Distribution

This species was endemic to the Hawaiʻian island of Oʻahu.

Conservation status

This species is considered to be extinct. The IUCN Red List first listed it extinct in 1990.[3]

References

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

  1. Mollusc Specialist Group (1996). "Achatinella abbreviata". IUCN Red List of Threatened Species. 1996: e.T167A13037866. doi:10.2305/IUCN.UK.1996.RLTS.T167A13037866.en.
  2. 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. PDF
  3. "Achatinella abbreviata". IUCN Red List of Threatened Species. Retrieved 10 October 2016.
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