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Taxon profile

species

Gibbula amirantium (E. A. Smith, 1884)

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Trochida »  family Trochidae - top-shells »  genus Gibbula

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Gibbula amirantium

Author: Smith, E.A.

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Description

Shell small, subglobose, perforate, spirally finely lirate and sulcate, white, the line being interruptedly pink. Whorls 4-5, convex, rapidly increasing; last whorl rounded at the periphery, lirate throughout, the lira being rather narrower than the intervening grooves and crossed by the lines of growth. Aperture circular, occupying more than halt the total height oi the shell. Columella arcuate, white, covered with a callus, which is considerably reflexed especially at the lower part. Height 4 mm., greatest diameter 4,3 mm.
Etoile Island, Amirantes, in 13 fms.
The distinguishing feature of this little species is the reflexed character of the columella. I have not the operculum, and consequently I ‘m in doubt respecting the true generic position.
Smith, E.A., 1884. Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.
Author: Jan Delsing

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