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| {{short description|Species of mollusc}} | {{short description|Species of mollusc}} | ||
| {{Speciesbox | {{Speciesbox | ||
| |image = | |image = Amastra grayana 001.jpg | ||
| |image_caption= | |image_caption= Shell of ''Amastra grayana'' | ||
| |taxon = Amastra grayana | |taxon = Amastra grayana | ||
| |authority = (L. Pfeiffer, 1856) | |authority = (L. Pfeiffer, 1856) | ||
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| * {{cite journal |last1=Pfeiffer |first1=L. |title=Descriptions of twenty-three new species of Achatinella, collected by Mr. D. Frick in the Sandwich Islands; from Mr. Cuming's collection |journal=Proceedings of the Zoological Society of London. |date=1856 |volume=23 |issue=297 |page=204 |url=https://www.biodiversitylibrary.org/page/30748103 |access-date=17 December 2024}} | * {{cite journal |last1=Pfeiffer |first1=L. |title=Descriptions of twenty-three new species of Achatinella, collected by Mr. D. Frick in the Sandwich Islands; from Mr. Cuming's collection |journal=Proceedings of the Zoological Society of London. |date=1856 |volume=23 |issue=297 |page=204 |url=https://www.biodiversitylibrary.org/page/30748103 |access-date=17 December 2024}} | ||
| {{Taxonbar|from=Q131466214}} | |||
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Latest revision as of 14:49, 18 December 2024
Species of mollusc
| Amastra grayana | |
|---|---|
| |
| Shell of Amastra grayana | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Amastridae |
| Genus: | Amastra |
| Species: | A. grayana |
| Binomial name | |
| Amastra grayana (L. Pfeiffer, 1856) | |
| Synonyms | |
| |
Amastra grayana is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae.
Description
The length of the shell attains 21.5 mm, its diameter 12 mm
The shell is imperforate, dextral, ovate-conic, and rather solid, with a slightly glossy surface. It is grayish-flesh colored and irregularly marked with chestnut bands that fade near the upper portion. The spire is inflated-conic with an acute, black apex. The shell contains 6½ whorls; the upper ones are flat and radially plicate, the penultimate whorl is convex, and the body whorl, which is nearly as long as the spire, is finely striate.
The aperture is subvertical and acuminate-oval. The columellar fold is median, subtransverse, and triangular. The peristome is simple and unexpanded, with the columellar margin slightly dilated and adnate.
Distribution
This species is endemic to Hawaii, occurring on Oahu island.
It has been originally recorded from Oahu, evidently in error, since no Oahuan species has flat, radially plicate upper whorls.
References
- Amastra grayana(L. Pfeiffer, 1856). 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. 241. 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
- 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. Retrieved 17 December 2024.
| Taxon identifiers | |
|---|---|
| Amastra grayana |
|