Megastomia conoidea

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Megastomia conoidea
Megastomia conoidea 01.jpg
Megastomia conoidea
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Pyramidellidae
Genus: Megastomia
Species:
M. conoidea
Binomial name
Megastomia conoidea
(Brocchi, 1814)
Synonyms
  • Eulima monodonRequien, 1848
  • Odostomia conoidea(Brocchi, 1814)
  • Odostomia var. australisJeffreys, J.G., 1867
  • Odostomia eulimoidesJeffreys, J.G., 1847
  • Odostomia nagliBrusina, S., 1865
  • Odostomia plicaCantraine, F.J., 1842
  • Odostomia siculaPhilippi, R.A., 1851
  • Odostomia sulciferaSmith, E.A., 1872
  • Odostomia tenuisJeffreys, 1884
  • Odostomia (Megastomia) boteroiSchander, C., 1994
  • Odostomia (Megastomia) corimbensisSchander, C., 1994
  • Odostomia (Megastomia) gilsoniDautzenberg, Ph., 1912
  • Odostomia (Megastomia) politaBivona-Bernardi, A., 1832
  • Odostomia (Odostomia) plicataFleming, C.A.
  • Ovatella politaBivona Ant., 1832 (dubious synonym)
  • Rissoa politaScacchi, 1836
  • Turbo conoideusBrocchi, 1814

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

Contents

Description

The shell size varies between 2.5 mm and 7 mm. The white shell is solid, polished and with microscopic growth lines. The periphery is more or less distinctly keeled or angulated, with an impressed spiral line. There are eight, nearly flat whorls. The umbilicus is small and deep. The columellar tooth is strong and prominent. The interior of the outer lip is ridged, terminating in small tubercles within the mouth. [3]

(Description of Odostomia sicula) The white shell is solid and polished. Its length measures 6.25 mm. The eight whorls of the teleoconch are nearly flat. They are marked with microscopic growth lines. The periphery of the shell is more or less distinctly keeled or angulated. The shell shows an impressed spiral line. The small umbilicus goes deep. The columellar tooth is strong and prominent. The interior of the lip is ridged, terminating in small tubercles within the aperture.

G.W. Tryon (1889) considered it a synonym of Odostomia conoidea Brocchi. [4]

Distribution

This species occurs in the following locations: [1]

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References

  1. 1 2 Megastomia conoidea (Brocchi, 1814) . Retrieved through: World Register of Marine Species  on 3 January 2019.
  2. ↑ Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.
  3. ↑ G.W. Tryon, Manual of Conchology vol. VIII p. 349-350; 1889
  4. ↑ G.W. Tryon, Manual of Conchology vol. VIII, p. 349-350; 1889
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