Calliostoma leanum

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Calliostoma leanum
Calliostoma leanum 002.jpg
View of a shell of Calliostoma leanum
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Calliostomatidae
Subfamily: Calliostomatinae
Genus: Calliostoma
Species:
C. leanum
Binomial name
Calliostoma leanum
(C. B. Adams, 1852)
Synonyms [1]
  • Calliostoma macandreaeCarpenter, P.P., 1856
  • Trochus leanumC. B. Adams, 1852 (basionym)
  • Trochus macandreaeCarpenter, 1857

Calliostoma leanum, common name the pretty mouth, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. [1] [2]

Contents

C.B. Adams names this species in honor of Isaac Lea, Esq., of Philadelphia.

Description

The height of the shell varies between 8 mm and 13 mm. The conic shell is well elevated. Its color is pale yellowish or reddish-brown, with broad dark brown oblique flammules. It is anteriorly somewhat articu-ated with red and yellowish-white in fine concentric lines with many elevated granulous spiral lines, of which three larger are next above the suture. The outlines of the spire are nearly rectilinear. The apex is acute. There are nine whorls. These are planulate or concave next below the suture, which is moderately impressed. The body whorl is subplanulate anteriorly. The aperture is subquadrate. The outer lip is thin. The columella is obliquely produced and nearly straight. The shell lacks an umbilicus. [3]

Distribution

This species occurs in the Pacific Ocean off California, Mexico, Panama and the Galapagos Islands.

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References

  1. 1 2 Rosenberg, G.; Bouchet, P. (2012). Calliostoma leanum (C. B. Adams, 1852). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512118 on 2012-12-07
  2. ↑ Abbott R. T. (1974). American Seashells. The marine mollusca of the Atlantic and Pacific coast of North America. II edit. Van Nostrand, New York 663 p. + 24 pl:
  3. ↑ Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
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