Odostomia hypatia

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Odostomia hypatia
Odostomia hypatia 001.png
Apertural view of Odostomia hypatia
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Odostomia
Species:
O. hypatia
Binomial name
Odostomia hypatia
Dall & Bartsch, 1912
Synonyms

Odostomia (Evalea) hypatia Dall & Bartsch, 1912

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

Contents

Description

The shell is large and measures 5.2 mm. It is elongate-ovate, strongly umbilicated, yellowish-white. The nuclear whorls are deeply immersed in the first of the succeeding turns, above which the tilted edge of the last volution only projects. The six post-nuclear whorls are well rounded, and feebly shouldered at the summit. They are marked by fine incremental lines, and numerous exceedingly fine, closely spaced, spiral striations. The sutures are moderately constricted. The periphery of the body whorl is inflated, well rounded. The base of the shell is moderately long, well rounded, openly umbilicated. The aperture is oval, effuse anteriorly. The posterior angle is obtuse; The outer lip is thin. The inner lip is very oblique, slender, curved, and decidedly reflected, but not appressed to the base. The columella is provided with a moderately strong fold a little anterior to its insertion. The parietal wall is glazed with a thin callus. [3]

Distribution

The type specimen was found in the Pacific Ocean off Skidegate, British Columbia

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References

  1. ↑ Rosenberg, G. (2011). Odostomia hypatia Dall & Bartsch, 1912. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581219 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. ↑ Proceedings of the United States National Museum 42:282 Odostomia (Evalea) hypatia
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