Odostomia phanella

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

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

Contents

Description

The ovate shell is vitreous, translucent. Its length measures 3.3 mm. The whorls of the protoconch are deeply, very obliquely immersed in the first of the succeeding turns, above which only the tilted edge of the last volution projects. The four whorls of the teleoconch are inflated, slightly contracted at the suture, appressed at the summit,. They are marked by 8 strongly incised spiral lines on the first and second and 20 upon the third, between the sutures. The sutures are well marked. The periphery and the base of the body whorl are well rounded. They are marked by numerous spiral striations, which are a little weaker than those between the periphery and summit of the body whorl. The aperture is oval. The posterior angle is obtuse. The outer lip is thin. The columella is moderately strong, decidedly curved and strongly revolute. It is provided with a strong 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 phanella Dall & Bartsch, 1909. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581239 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. Dall & Bartsch, A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p. 205; 1909