Odostomia talpa

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Odostomia talpa
Odostomia talpa 001.png
Apertural view of a shell of Odostomia talpa
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Odostomia
Species:
O. talpa
Binomial name
Odostomia talpa
Dall & Bartsch, 1909
Synonyms [1]
  • Aartsenia talpa (Dall & Bartsch, 1909)
  • Odostomia (Amaura) talpa Dall & Bartsch, 1909 (basionym)

Odostomia talpa is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies. [2] [3]

Contents

Description

The stout, rough shell has a very broadly conic shape and is narrowly umbilicated. Its length measures 8 mm. The whorls of the protoconch are small, deeply obliquely immersed in the first turn of the teleoconch. The seven whorls of the teleoconch are with quite strong concavely shouldered summits, the rest well rounded (usually showing decided erosion marks which coincide largely with the lines of growth). The parts bearing the original surface show traces of exceedingly fine spiral striations. The periphery and the base of the body whorl are rather inflated, well rounded, the latter narrowly umbilicated, and marked like the spire. The aperture is broadly oval. The posterior angle is obtuse. The outer lip is rather thick. The columella is stout, thick, somewhat flexuose and reflected. It is provided with a strong fold a little anterior to the umbilicus. The parietal wall is covered by a thin callus. [1]

Distribution

The type specimen was found off Mole Harbor, Alaska.

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References

  1. 1 2 Dall & Bartsch, A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p. 242; 1909 Plate 27 # 9
  2. ↑ Rosenberg, G. (2011). Odostomia talpa Dall & Bartsch, 1909. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581259 on 2011-11-29
  3. ↑ 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.
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