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Revision as of 19:11, 25 December 2024 by JoJan (talk | contribs) (new)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) Species of gastropod
| Amastra obesa | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Stylommatophora |
| Family: | Amastridae |
| Genus: | Amastra |
| Species: | A. obesa |
| Binomial name | |
| Amastra obesa Newcomb, 1853 | |
| Synonyms | |
| |
Amastra obesa is a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae.
- Subspecies
- Amastra obesa aurora Pilsbry & C. M. Cooke, 1914
- Amastra obesa obesa (Newcomb, 1853)
Description
The length of the shell attains 13 mm, its diameter 9.5 mm.
The shell is dextral, depressed-conical, and inflated, with a solid structure and pronounced striations. It is covered by a dark umber-colored epidermis. It is composed of five rounded whorls. The apex is acute, and the suture is simple yet distinctly defined.
The aperture is ovate and white, with the columella featuring a strong, prominent white plait. The outer lip is simple and slightly thickened on the inner side.
Distribution
This species is endemic to Hawai, occurring on Molokai island.
References
- "WoRMS - World Register of Marine Species - Amastra elongata (Newcomb, 1853)". www.marinespecies.org. Retrieved 2024-11-19.
- Amastra obesa (Newcomb, 1853). 25 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. 268. Retrieved 2 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. p. 107.
{{cite book}}: CS1 maint: multiple names: authors list (link)
External links
- Newcomb, W. (1853). "Descriptions of new species of Achatinella from Sandwich Islands". Annals of the Lyceum of Natural History of New York. 6: 26.