Odostomia iliuliukensis

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Odostomia iliuliukensis
Odostomia iliuliukensis 001.png
Apertural view of a shell of Odostomia iliuliukensis
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Odostomia
Species:
O. iliuliukensis
Binomial name
Odostomia iliuliukensis
Dall & Bartsch, 1909
Synonyms
  • Aartsenia iliuliukensis (Dall & Bartsch, 1909)
  • Odostomia (Amaura) iliuliukensis Dall & Bartsch, 1909

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

Contents

Description

The very elongate-conic, heavy shell is very light yellow. The shell measures 9.5 mm. The nuclear whorls are small, almost completely obliquely immersed in the first of the succeeding turns. The 6 ½ post-nuclear whorls are situated rather high between the sutures. They are well rounded with narrowly tabulate summits, marked by fine, retractive lines of growth and numerous fine, closely spaced spiral striations. The sutures are well marked. The periphery of the body whorl is well rounded. The base of the shell is rather prolonged, evenly rounded, marked like the spire. The aperture is pear-shaped. The posterior angle is obtuse. The outer lip is thin at the edge, thickened within. The columella is twisted, strongly curved anteriorly, where it is also reflected and reinforced by the base. It is provided with a low fold at its insertion. The parietal wall is glazed by a thin callus. [3]

Distribution

This species occurs in the Bering Sea, Alaska.

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References

  1. ↑ Rosenberg, G. (2011). Odostomia iliuliukensis Dall & Bartsch, 1909. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581221 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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