Odostomia calliope

Odostomia calliope
Apertural view of Odostomia calliope
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily: Pyramidelloidea
Family: Pyramidellidae
Genus: Odostomia
Species: O. calliope
Binomial name
Odostomia calliope
Bartsch, 1912
Synonyms
  • Evalea calliope Bartsch, 1912
  • Odostomia (Evalea) calliope Bartsch, 1912

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

Description

The elongate-ovate shell is turreted, narrowly umbilicated, and creamy-white. The nuclear whorls are small, obliquely immersed in the first of the succeeding turns, above which only the tilted edge of the last volution projects. The five post-nuclear whorls are rather high between the sutures, decidedly, tabulatedly shouldered at the summit, almost flattened below the shoulder. The spaces between the shoulders and the sutures appear as cylindrical elements. The whorls are marked by rather strong, incremental lines and by numerous strong, wavy, incised,spiral striatons. The periphery and the moderately long base of the body whorl are well rounded, marked like the spire. The oval aperture is large. The posterior angle is decidedly obtuse. The outer lip is thin. The inner lip is moderately strong, oblique, somewhat sinuous, slightly reflected, and provided with a fold some little distance anterior to its insertion. The parietal wall is glazed with a moderately thick callus.[3]

Distribution

This species occurs in the Pacific Ocean off California.

References

  1. ↑ Rosenberg, G. (2011). Odostomia calliope Bartsch, 1912. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581112 on 2011-10-26
  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. ↑ Paul Bartsch, Proceedings of the U.S. National Museum :42; 1912
External identifiers for Odostomia calliope
WoRMS 581112
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