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| Amastra uniplicata | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Amastridae |
| Genus: | Amastra |
| Species: | A. uniplicata |
| Binomial name | |
| Amastra uniplicata (W. D. Hartman, 1888) | |
| Synonyms | |
| |
Amastra uniplicata is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae.
- Subspecies
- Amastra uniplicata uniplicata (W. D. Hartman, 1888)
- Amastra uniplicata vetuscula C. M. Cooke, 1917
Description
The length of the shell can reach 20 mm, its diameter 9 mm
The shell is dextral, solid, and elongated oval, occasionally exhibiting a cylindrical form. It consists of seven slightly rounded whorls, with the body whorl being somewhat inflated. The suture is distinctly impressed, and the surface is marked by fine, longitudinal striations.
The aperture is sub-oval and white, featuring a single, elongated, twisted columellar plica within. The outer lip is thin and acute. The shell's underlying color is a pale ochre-yellow, concealed beneath a dark, black epidermis, which lends it a striking contrast.
Distribution
This species is endemic to Hawai, occurring on Molokai Island.
References
- Amastra uniplicata (W. D. Hartman, 1888). 29 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. 205. 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. vi. Leiden: Backhuys Publishers. pp. 1–248.
{{cite book}}: CS1 maint: multiple names: authors list (link)
External links
- Hartman, W.D. (1888). "A bibliographic and synonymic catalogue of the genus Achatinella". Proceedings of the Academy of Natural Sciences of Philadelphia. 40: 50. Retrieved 29 December 2024.