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Alcadia rufa
Species of gastropod From Wikipedia, the free encyclopedia
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Alcadia rufa is a species of an operculate land snail, terrestrial gastropod mollusk belonging to the Helicinidae family. [1]
- Subspecies
- Alcadia rufa rufa (L. Pfeiffer, 1857)
- Alcadia rufa salleana (L. Pfeiffer, 1854)
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Description
The height of the shell attains 6.7 mm, its greatest diameter 13 mm.
(Original description in Latin) The shell has a somewhat conoidal-depressed shape. It is moderately solid, slightly wrinkled-striated and punctuated, shiny, and reddish. The spire is somewhat conoidal-convex with a fine apex. The shell consists of 4 whorls. The upper whorls are rather flat, while the body whorl is broad, depressed, and somewhat rounded at the periphery. The aperture is diagonal and broadly semi-oval. The columella descends vertically from the penultimate whorl, is slightly curved, and ends anteriorly in a tubercle, emitting a somewhat granular, circumscribed basal callus. The peristome is shortly expanded with a white border. The operculum is of the same color. [2]
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Distribution
References
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