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Taxon profile

species

Microstelma daedala A. Adams, 1863

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Littorinimorpha »  family Zebinidae »  genus Microstelma

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Microstelma daedala

Author: Jan Delsing

Microstelma daedala

Author: Chang & Wu

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Description

Diagnosis: Shell, small, usually white, occasionally, orange banded, oval-conic with protoconch, paucispiral of 1+ smooth whorls and spire, subturreted. Mature whorls, 5-6, flatly convex and suture, undulate. Axial ribs, not reaching bottom; about 17 ribs on the penultimate whorl; spiral straie, dominant at base aperture, ovate with anterior canal, produced and outer lip, thin.
Distribution: Goto Island, Japan at depth of 150-450 meters is the fatherland. It is also found off Lutao, Taiwan.
Dimension: 4.6 x 2.0 mm (white specimen); 4.2 x 2.2 mm (orange banded specimen).
Reference for Identification: A. Adams (1863), p. 348; Kuroda (1952), p. 130; Ponder (1984), p. 98.
Chang, C-K. & Wu, W-L., 2004. The Taiwan Mollusks: The Rissoacea (Mollusca Mesogastropoda) from Lutao, Taitung
Author: Jan Delsing

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