Amastra cylindrica

Amastra cylindrica
Conservation status
	; Critically Endangered (IUCN 2.3)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Amastridae
Genus:	Amastra
Species:	A. cylindrica
Binomial name
	Amastra cylindrica; (Newcomb, 1854)
Synonyms
	Achatinella (Laminella) grossa L. Pfeiffer, 1856 junior subjective synonym; Achatinella cylindrica Newcomb, 1854 superseded combination; Achatinella intermedia Newcomb, 1854 junior subjective synonym; Achatinella porphyrea Newcomb, 1854 junior subjective synonym; Amastra (Paramastra) cylindrica (Newcomb, 1854) · alternative representation; Amastra conicospira E. A. Smith, 1873 junior subjective synonym;

Amastra cylindrica is a species of land snail, a terrestrial pulmonate gastropod mollusc in the Amastridae family.^[2]

Description

(Original description) The shell is dextral, elongately cylindrical, tapering to a pointed summit. It consists of seven slightly rounded whorls separated by a moderately distinct suture. The aperture is oblong-ovate, and the columella ends in a flexuous tooth. The shell's surface is marked by strong longitudinal striations. Its coloration is of a light horn tone, encircled by numerous narrow brown bands.^[3]

Distribution

This species is endemic to Hawaii and occurs on Oahu Island.^[1]

References

^ ^a ^b Cowie, R.H. (1996). "Amastra cylindrica". IUCN Red List of Threatened Species. 1996: e.T985A13100609. doi:10.2305/IUCN.UK.1996.RLTS.T985A13100609.en. Retrieved 16 November 2021.
^ Amastra cylindrica(Newcomb, 1854). 19 November 2024. Retrieved through: World Register of Marine Species.
^ Newcomb, W. (1854). "Descriptions of seventy·nine new species of Achatinella, (Swains.), a genus of pulmoniferous mollusks, in the collection of Hugh Cuming, Esq". Proceedings of the Zoological Society of London. 21: 134. Retrieved 19 November 2024. This article incorporates text from this source, which is in the public domain.

Cowie, R. H., Evenhuis, N. L. & Christensen, C. C. (1995). Catalog of the native land and freshwater molluscs of the Hawaiian Islands. Leiden: Backhuys Publishers. pp. 1–248.{{cite book}}: CS1 maint: multiple names: authors list (link)

External links

Gulick, J. T. & Smith, E. A. (1873). "Descriptions of new species of Achatinellinae". Proceedings of the Zoological Society of London. 1873: 86.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Pfeiffer, L. (1856). "Descriptions of twenty-three new species of Achatinella, collected by Mr. D. Frick in the Sandwich Islands; from Mr. Cuming's collection". Proceedings of the Zoological Society of London. 23 (297): 204.

[iucn_status_16_November_2021-1] Cowie, R.H. (1996). "Amastra cylindrica". IUCN Red List of Threatened Species. 1996: e.T985A13100609. doi:10.2305/IUCN.UK.1996.RLTS.T985A13100609.en. Retrieved 16 November 2021.

[WoRMS-2] Amastra cylindrica(Newcomb, 1854). 19 November 2024. Retrieved through: World Register of Marine Species.

[3] Newcomb, W. (1854). "Descriptions of seventy·nine new species of Achatinella, (Swains.), a genus of pulmoniferous mollusks, in the collection of Hugh Cuming, Esq". Proceedings of the Zoological Society of London. 21: 134. Retrieved 19 November 2024. This article incorporates text from this source, which is in the public domain.

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