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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== | ||
Revision as of 14:23, 17 December 2024
Species of mollusc
| 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 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
- 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)