Odostomia ovata

Last updated

Odostomia ovata
Odostomia ovata 001.png
Apertural view of the shell of Odostomia ovata
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Odostomia
Species:
O. ovata
Binomial name
Odostomia ovata
Carpenter, 1856 [1]
Synonyms
  • Chrysallida ovata Carpenter, 1856 (basionym)
  • Odostomia (Chrysallida) ovata Carpenter, 1856

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

Contents

Description

The white shell has an ovate shape. Its length measures 3.9 mm. The whorls of the protoconch are obliquely immersed in the first of the succeeding turns above which only the tilted edge of the last volution projects. The five whorls of the teleoconch are slightly rounded, well contracted at the sutures, and moderately shouldered at the summit. They are marked by nodulose slightly retractive axial ribs of which 20 occur upon the first to second, 18 upon the third, and 22 upon the penultimate turn. In addition to the ribs the whorls are marked between the sutures by four spiral cords considerably less strong than the ribs, which render them nodulous at their junction. The spaces enclosed by the ribs and spiral cords are deep round pits. The sutures are well marked but not channeled. The periphery of the body whorl is marked by a narrow spiral groove. The base of the shell is well rounded. It is marked by six strong broad rounded almost equal and equally spaced spiral cords, the grooved spaces between which are marked by numerous fine axial threads. The aperture is oval, slightly effuse anteriorly. The posterior angle is acute. The outer lip is rendered slightly sinuous by the spiral cords. The columella is slender and curved, provided with a fold, deep within, at its insertion. The parietal wall is covered by a thin callus. [4]

Distribution

This species occurs in the Pacific Ocean off Mazatlán, Mexico.

Related Research Articles

<i>Besla convexa</i> Species of gastropod

Besla convexa is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia effusa</i> Species of gastropod

Odostomia effusa is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia fasciata</i> Species of gastropod

Odostomia fasciata is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia inconspicua</i> Species of gastropod

Odostomia inconspicua is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia lapazana</i> Species of gastropod

Odostomia lapazana is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia nodosa</i> Species of gastropod

Odostomia nodosa is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia paupercula</i> Species of gastropod

Odostomia paupercula is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia photis</i> Species of gastropod

Odostomia photis is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia promeces</i> Species of gastropod

Odostomia promeces is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia reigeni</i> Species of gastropod

Odostomia reigeni is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia rotundata</i> Species of gastropod

Odostomia rotundata is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia oonisca</i> Species of gastropod

Odostomia oonisca is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia talama</i> Species of gastropod

Odostomia talama is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia taravali</i> Species of gastropod

Odostomia taravali is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia telescopium</i> Species of gastropod

Odostomia telescopium is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia sapia</i> Species of gastropod

Odostomia sapia is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia torrita</i> Species of gastropod

Odostomia torrita is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia tyleri</i> Species of gastropod

Odostomia tyleri is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia virginalis</i> Species of mollusc

Odostomia virginalis is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

<i>Odostomia vincta</i> Species of gastropod

Odostomia vicola is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

References

  1. ↑ Carpenter, Cat. Mazatlan Shells, 1856, p. 417
  2. ↑ WoRMS (2011). Odostomia ovata Carpenter, 1856. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=575882 on 2011-11-10
  3. ↑ Keen M. (1971). Sea shells of Tropical West America. Marine mollusks from Baja California to Perú. (2nd edit.). Stanford University Press pp. 1064
  4. ↑ Dall & Bartsch, A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p. 152; 1909
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.