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{{Speciesbox {{Speciesbox
|image = |image = Amastra tenuilabris 001.jpg
|image_caption= Shell of ''Amastra tenuilabris'' |image_caption= Shell of ''Amastra tenuilabris''
|taxon = Amastra tenuilabris |taxon = Amastra tenuilabris
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The length of the shell attains 15 mm, its diameter 8 mm 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 ]. There are 5½ ]s, which are gently convex. The ] is subquadrate, white, and shorter than the ]. The ] is thin, and the ] is straight, featuring a small central fold. The ]s are joined by a delicate, thin callus. <ref>{{cite book |last1=Hyatt, A. & Pilsbry, H. A. |title=Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 21: Achatinellidae (Amastrinae). |date=1910–1911 |publisher=Conchological Department, Academy of Natural Sciences |location=Philadelphia |page=196|url=https://www.biodiversitylibrary.org/page/23701752 |access-date=3 December 2024}} {{source-attribution}}</ref> 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 ]. There are 5½ ]s, which are gently convex. The ] is subquadrate, white, and shorter than the ]. The ] is thin, and the ] is straight, featuring a small central fold. The ]s are joined by a delicate, thin callus.<ref>{{cite book |last1=Hyatt, A. & Pilsbry, H. A. |title=Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 21: Achatinellidae (Amastrinae). |date=1910–1911 |publisher=Conchological Department, Academy of Natural Sciences |location=Philadelphia |page=196|url=https://www.biodiversitylibrary.org/page/23701752 |access-date=3 December 2024}} {{source-attribution}}</ref>


==Distribution== ==Distribution==
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* {{cite journal |last1=Gulick, J. T. & Smith, E. A. |title=Descriptions of new species of Achatinellinae. |journal=Proceedings of the Zoological Society of London |date=1873 |volume=1873 |page=84 |url=https://www.biodiversitylibrary.org/page/28504266 |access-date=12 December 2024}} * {{cite journal |last1=Gulick, J. T. & Smith, E. A. |title=Descriptions of new species of Achatinellinae. |journal=Proceedings of the Zoological Society of London |date=1873 |volume=1873 |page=84 |url=https://www.biodiversitylibrary.org/page/28504266 |access-date=12 December 2024}}



{{Taxonbar|from=Q131466211}}


] ]

Latest revision as of 14:50, 18 December 2024

Species of mollusc

Amastra tenuilabris
Shell of Amastra tenuilabris
Scientific classification Edit this 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.

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.

Distribution

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

References

  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) Public Domain 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

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