Odostomia granadensis

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Odostomia granadensis
Odostomia granadensis 001.png
Apertural view of a shell of Odostomia granadensis
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily:
Pyramidelloidea
Family:
Pyramidellidae
Genus:
Odostomia
Species:
O. granadensis
Binomial name
Odostomia granadensis
Dall & Bartsch, 1909
Synonyms

Evalea granadensis Dall & Bartsch, 1909

Odostomia granadensis is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. [1] [2]

Contents

Description

The very slender, ovate-conic shell measures 2.6 mm. It is white with a narrow, faint yellow band a little posterior to the middle between the sutures. The whorls of the protoconch are very deeply obliquely immersed in the first of the succeeding turns, above which only the tilted edge of the last volution projects. The five whorls of the teleoconch are flattened, slightly contracted at the sutures, and feebly shouldered at the summits. The periphery and the base of the body whorl are well rounded, the latter somewhat attenuated. The entire surface of the spire and the base is marked by many fine, closely spaced, wavy spiral striations, which are considerably stronger on the base than between the sutures. The aperture is ovate. The posterior angle is acute. The outer lip is thin. The columella is short, slender, curved and feebly revolute, and provided with a fold at its insertion. [3]

Distribution

This species occurs in the Panama Bay.

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References

  1. ↑ WoRMS (2011). Odostomia granadensis Dall & Bartsch, 1909. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=575852 on 2011-11-10
  2. ↑ Keen M. (1971). Sea shells of Tropical West America. Marine mollusks from Baja California to Perú. (2nd edit.). Stanford University Press pp. 1064:
  3. ↑ William Healy Dall and Paul Bartsch , "A Monograph of West American Pyramidellid Mollusks" , Smithsonian Institution, 1909
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