Odostomia stephensae

Last updated

Odostomia stephensae
Odostomia stephensae 001.png
Apertural view of the shell of Odostomia stephensae
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Odostomia
Species:
O. stephensae
Binomial name
Odostomia stephensae
Dall & Bartsch, 1909
Synonyms [1]

Odostomia (Evalea) stephensi Dall & Bartsch, 1909 (basionym)

Contents

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

Dall & Bartsch used the epithet "stephensi", [1] named after Katherine "Kate" Stephens (c. 1853-1954), curator at the Natural History Museum of San Diego. This museum considers this species a synonym of Odostomia tenuisculpta Carpenter, 1864 [4]

Description

The bluish-white shell has an elongate-conic shape. Its length measures 5.3 mm. The whorls of the protoconch are almost completely obliquely immersed in the first of the succeeding turns, above which only the outer edge of the last volution projects. The six whorls of the teleoconch are rather high between the sutures, moderately rounded. They are ornamented by numerous fine but well incised subequal and subequally spaced spiral lines; about thirty-three of which appear between the summit and the periphery of the last whorl. The sutures are well marked. The periphery of body whorl is well rounded. The baseof the shell is rather prolonged, well rounded. Its entire surface is marked by incised spirals like the spaces between the sutures. In addition to the spiral markings, the entire surface shows fine incremental lines. The aperture is elongate-oval, effuse at the junction of the outer lip and the columella. The posterior angle is obtuse. The outer lip is thin. The columella is stout, curved, and decidedly reflected over the reinforced base. It is provided with a strong oblique fold opposite the obsolete umbilical chink. The parietal wall is covered with a thin callus. [1]

Distribution

The type specimen was found off Baranoff Island, Alaska.

Related Research Articles

<i>Menestho hypocurta</i> Species of gastropod

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Odostomia unalaskensis is a species of sea snail first described by William Healy Dall and Paul Bartsch in 1909. It is a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.

References

  1. 1 2 3 Dall & Bartsch, A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, 1p. 210-211; 1909 Plate 24 # 5
  2. ↑ Rosenberg, G. (2011). Odostomia stephensae Dall & Bartsch, 1909. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581255 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.
  4. ↑ Natural History Museum of San Diego
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.