Amastra tenuilabris

Amastra tenuilabris
	Shell of Amastra tenuilabris
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Amastridae
Genus:	Amastra
Species:	A. tenuilabris
Binomial name
	Amastra tenuilabris; Gulick, 1873
Synonyms
	Amastra (Amastrella) tenuilabris E. A. C. M. Cooke, 1908 alternative representation;

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

Subspecies: Amastra tenuilabris rubicunda (Baldwin, 1895)

Description

The length of the shell attains 15 mm, its diameter 8 mm

The shell is dextral, ovate-conic, and slightly dull, marked with somewhat coarse growth striations. It is white, overlain by a tawny epidermis that tends to wear away below the suture on the body whorl. There are 5½ whorls, which are gently convex. The aperture is subquadrate, white, and shorter than the spire. The peristome is thin, and the columella is straight, featuring a small central fold. The lips are joined by a delicate, thin callus. ^[2]

Distribution

This species is endemic to Hawaii, occurring on Oahu island.

References

^ Amastra tenuilabris Gulick, 1873. 17 December 2024. Retrieved through: World Register of Marine Species.
^ Hyatt, A. & Pilsbry, H. A. (1910–1911). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 21: Achatinellidae (Amastrinae). Philadelphia: Conchological Department, Academy of Natural Sciences. p. 196. Retrieved 3 December 2024.{{cite book}}: CS1 maint: multiple names: authors list (link) 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. p. 106.{{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: 84. Retrieved 12 December 2024.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[WoRMS-1] Amastra tenuilabris Gulick, 1873. 17 December 2024. Retrieved through: World Register of Marine Species.

[2] Hyatt, A. & Pilsbry, H. A. (1910–1911). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 21: Achatinellidae (Amastrinae). Philadelphia: Conchological Department, Academy of Natural Sciences. p. 196. Retrieved 3 December 2024.{{cite book}}: CS1 maint: multiple names: authors list (link) This article incorporates text from this source, which is in the public domain.

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