Odostomia enora

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Odostomia enora
Odostomia enora 001.png
Apertural view of the shell of Odostomia enora
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Odostomia
Species:
O. enora
Binomial name
Odostomia enora
Dall & Bartsch, 1909

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

Contents

Description

The elongate-ovate shell is milk-white. Its length measures 2.8 mm. nuclear whorls of the protoconch are deeply obliquely immersed in the first of the succeeding turns, above which only the tilted edge of the last volution projects. The six whorls of the teleoconch are well rounded, slightly contracted at the sutures and weakly shouldered at the summits. They are marked between the sutures by four feebly incised spiral grooves of which the second one above the periphery is the weakest. The periphery of the body whorl is somewhat inflated. The base of the shell is well rounded posteriorly and somewhat attenuated anteriorly. It is marked by four subequal but unequally spaced incised spiral lines. The aperture is oval and somewhat effuse anteriorly. The posterior angle is acute. The outer lip is thin. The slender columella is slightly curved and somewhat revolute, provided with a weak fold at its insertion. [3]

Distribution

This species occurs in the Pacific Ocean off California.

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References

  1. ↑ Rosenberg, G. (2011). Odostomia enora Dall & Bartsch, 1909. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581197 on 2011-11-10
  2. ↑ Turgeon, D.; Quinn, J.F.; Bogan, A.E.; Coan, E.V.; Hochberg, F.G.; Lyons, W.G.; Mikkelsen, P.M.; Neves, R.J.; Roper, C.F.E.; Rosenberg, G.; Roth, B.; Scheltema, A.; Thompson, F.G.; Vecchione, M.; Williams, J.D. (1998). Common and scientific names of aquatic invertebrates from the United States and Canada: mollusks. 2nd ed. American Fisheries Society Special Publication, 26. American Fisheries Society: Bethesda, MD (USA). ISBN   1-888569-01-8. IX, 526 + cd-rom pp.
  3. ↑ William Healy Dall and Paul Bartsch , "A Monograph of West American Pyramidellid Mollusks" , Smithsonian Institution, 1909
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