Amastra moesta is a species of land snail, a terrestrial pulmonate gastropod mollusc in the Amastridae family.[1]

Amastra moesta
Shell of Amastra moesta (holotype)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Amastridae
Genus: Amastra
Species:
A. moesta
Binomial name
Amastra moesta
(Newcomb, 1854)
Synonyms
  • Achatinella moesta Newcomb, 1854 superseded combination
  • Achatinella obscura Newcomb, 1854 junior subjective synonym
  • Amastra (Amastra) moesta (Newcomb, 1854) alternative representation

Description

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(Original description) The shell is dextrorsal and turrito-conical, consisting of seven convex whorls adorned with fine longitudinal striations. The aperture is small, ovate, and slightly contracted. The columella is straight and marked by a prominent white spiral callus at its midpoint.

The shell's coloration is reddish-brown, with the upper whorls appearing black. The middle whorls feature black zigzag lines, while the body whorl is covered by a dark brown epidermis.[2]

Distribution

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This marine species is endemic to Hawaii and occurs on Lanai.

References

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  1. ^ Amastra moesta (Newcomb, 1854). 24 November 2024. Retrieved through: World Register of Marine Species.
  2. ^ 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: 144. Retrieved 19 November 2024.   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. pp. 1–248.{{cite book}}: CS1 maint: multiple names: authors list (link)