Amastra rubristoma

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Amastra rubristoma
Amastra rubristoma 001.jpg
Shell of Amastra rubristoma
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Amastridae
Genus: Amastra
Species:
A. rubristoma
Binomial name
Amastra rubristoma
Baldwin, 1906
Synonyms

Amastra (Amastrella) rubristomaBaldwin, 1896 alternative representation

Contents

Amastra rubristoma 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 19.12 mm, its diameter 12 mm

The shell is dextral, imperforate, solid, and elongately ovate-conic, with an acute apex. The surface is marked by irregular growth striae, and the nuclear whorls are delicately radiately sulcated. Its coloration varies from reddish-brown to almost white, with darker upper whorls, often covered by a dark, fugacious epidermis. There are seven convex whorls with a well-impressed suture.

The aperture is slightly oblique and oval, with a red interior that occasionally appears livid-white. The peristome is acute and subtly thickened within. The columella ends in a strong, arched, lamellar plait, faintly tinged with red. [2]

Distribution

This species is endemic to Hawaii, occurring on the main island at Hilo.

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References

  1. ↑ Amastra rubristomaBaldwin, 1906 . 7 December 2024. Retrieved through: World Register of Marine Species .
  2. ↑ Baldwin, D.D. (1906). "Description of new species of Achatinellidae from the Hawaiian Islands". The Nautilus. 19 (12): 242. Retrieved 8 December 2024.PD-icon.svg This article incorporates text from this source, which is in the public domain .
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