Biology:Amastra cornea
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Short description: Species of gastropod
| Amastra cornea | |
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Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Amastridae |
| Genus: | Amastra |
| Species: | †A. cornea
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| Binomial name | |
| †Amastra cornea (Newcomb, 1854)
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| Location of Oʻahu | |
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Amastra cornea was a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae.[2]
Description
(Original description) The shell is irregularly acutely conical with a pointed apex and an inflated body whorl. It is thin and corneous, adorned with minute longitudinal striations. Comprising seven rounded whorls, the shell features a subovate aperture with a thin, translucent lip. The columella is straight, white, and equipped with a transverse, plaited tooth.
The shell's coloration is a uniform dark horn, contrasting with the white columella and tooth.[3]
Distribution
This extinct species was endemic to Oʻahu, and was known from around Waialua.
References
- ↑ Mollusc Specialist Group (1996). "Amastra cornea". IUCN Red List of Threatened Species 1996. doi:10.2305/IUCN.UK.1996.RLTS.T990A13100871.en. https://www.iucnredlist.org/species/990/13100871. Retrieved 16 November 2021.
- ↑ Amastra cornea (Newcomb, 1854). 21 November 2024. Retrieved through: World Register of Marine Species.
- ↑ 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 21: 142. https://www.biodiversitylibrary.org/page/30747263. Retrieved 19 November 2024.
This article incorporates text from a publication now in the public domain:
Wikidata ☰ Q308665 entry
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