Amastra melanosis

Amastra melanosis
	Shell of Amastra melanosis (holotype)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Amastridae
Genus:	Amastra
Species:	A. melanosis
Binomial name
	Amastra melanosis; (Newcomb, 1854)
Synonyms
	Achatinella melanosis Newcomb, 1854 superseded combination; Amastra (Amastrella) melanosis (Baldwin, 1854) alternative representation;

Amastra melanosis is a species of land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae.^[1]

Subspecies

Amastra melanosis kauensis Pilsbry & C. M. Cooke, 1915
Amastra melanosis melanosis (Newcomb, 1854)

Description

(Original description) The shell is dextral, thin, and conically depressed, with an acute apex. It consists of five rounded whorls, with the body whorl noticeably inflated. The suture is well-impressed, and the aperture is subrotund. The outer lip is simple and thin, while the straight white columella ends in a distinctly oblique plait.

The shell is uniformly black in color.^[2]

Distribution

This marine species is endemic to Hawaii.

References

^ Amastra melanosis (Newcomb, 1854). 24 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: 144. 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)

[WoRMS-1] Amastra melanosis (Newcomb, 1854). 24 November 2024. Retrieved through: World Register of Marine Species.

[2] 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: 144. Retrieved 19 November 2024. This article incorporates text from this source, which is in the public domain.

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