Biology:Amastra mucronata
| Amastra mucronata | |
|---|---|
| |
| Amastra mucronata shell | |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Amastridae |
| Genus: | Amastra |
| Species: | †A. mucronata
|
| Binomial name | |
| †Amastra mucronata Newcomb, 1853[1]
| |
| Synonyms | |
| |
Amastra mucronata is a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae.[2]
- Subspecies
- Amastra mucronata atroflava Hyatt & Pilsbry, 1911
- Amastra mucronata citrea Sykes, 1896
- Amastra mucronata mucronata (Newcomb, 1853)
- Amastra mucronata semicarnea Ancey & Sykes, 1899
- Amastra mucronata roseotincta Sykes, 1896 (taxon inquirendum)
Description
The length of the shell attains 17.5 mm, its diameter 8 mm.
The shell is dextral, elongate-ovate, and predominantly white, adorned with numerous transverse arrow-headed brown markings. The body whorl, however, is cloaked in a dense, brownish-black epidermis. It is composed of six rounded whorls, with the last one slightly contracted.
The suture is subtly impressed on the upper whorls, becoming more pronounced at the junction with the body whorl. The aperture is small and ovate, while the columella features a distinct twisted plait. The outer lip is simple and unembellished.[3]
Distribution
This species is endemic to Hawai, occurring on Molokai island.
References
- ↑ "WoRMS - World Register of Marine Species - Amastra elongata (Newcomb, 1853)". https://www.marinespecies.org/aphia.php?p=taxdetails&id=1716504.
- ↑ Amastra mucronata (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. https://www.biodiversitylibrary.org/page/23701752. Retrieved 2 December 2024.
This article incorporates text from a publication now in the public domain:
- Newcomb, W. (1854). "Descriptions of seventy·nine new species of Achatinella, (Swains.) a genus of pulmoniferous mollusks, in the collection of Hugh Cuming, Esq". Proceedings of the Zoological Society of London: 16.
- 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.
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. https://www.biodiversitylibrary.org/page/16023608.
Wikidata ☰ Q40651265 entry
 |  |
