Amastra gouveii

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Amastra gouveii
Amastra gouveii 001.jpg
Shell of Amastra gouveii (holotype)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Amastridae
Genus: Amastra
Species:
A. gouveii
Binomial name
Amastra gouveii
C. M. Cooke, 1917
Synonyms

Amastra (Amastrella) gouveiiC. M. Cooke, 1917 alternative representation

Contents

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

Description

The length of the shell attains 12.4 mm, its diameter 6.2 mm.

(Original description) The shell is narrowly perforate, conic, and very thin, with a translucent structure. Its surface is irregularly striated and covered with a uniform Dresden-brown epidermis, which is slightly lighter below the periphery. The spire is narrowly conical, tapering to an acute apex.

The shell comprises nearly seven convex whorls. The whorls of the protoconch are distinctly and finely striated in a regular pattern, while the subsequent whorls are irregularly striated, with the striae being arcuate and blunt. The body whorl is relatively short, rotund, and bluntly angular at the margin of the perforation.

The aperture is rather broad and slightly oblique, with the outer margin almost uniformly curved. It is only faintly angular at its junction with the columella and shows minimal thickening along the peristome's outer margin. The columella is straight and narrow, arching above the narrow, compressed perforation, and is equipped near its base with a minute, deeply seated oblique fold. [2]

Distribution

This species is endemic to Hawai, occurring on Oahu Island.

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References

  1. ↑ Amastra gouveii C. M. Cooke, 1917 . 17 January 2025. Retrieved through: World Register of Marine Species .
  2. ↑ Cooke, C.M. (1917). "Some new species of Amastra". Occasional Papers of the Bernice P. Bishop Museum. 3 (3): 7. Retrieved 31 December 2024.PD-icon.svg This article incorporates text from this source, which is in the public domain .
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