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Melanella convexa (E. A. Smith 1907)

Description

provided by NMNH Antarctic Invertebrates

EULIMA CONVEXA.

(Pl, I., figs. 9, 9a.)

Shell small, elongate, pellucid white, exhibiting the red dried remains of the animal, smooth, glossy, rather blunt at the apex; whorls 8, a little convex, slowly and regularly increasing, narrowly marginate beneath the slightly oblique suture; aperture ovate, acuminate above; peristome whitish, the outer margin curved forward in the middle, somewhat sinuated above and at the base; columellar margin thickened, reflexed, joined above to the outer lip by a thin callosity.

Length, 5.75 millim.; diam. 2; aperture, 1.5 long, 1 broad.

Holes 9, 12. In 25-51 fathoms.

The whorls are more convex than in many of the known small species. E. amblia, Watson, from between Marion an.l. Prince Edward Islands, has longer and flatter whorls, a longer aperture, and is smaller.”

(Smith, 1907: 7-8)

Melanella convexa

provided by wikipedia EN

Melanella convexa is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of many species known to exist within the genus, Melanella. This species is mainly distributed throughout the seas and oceans south of the Antarctic Circle.[1][2][3]

Description

The maximum recorded shell length is 5.75 mm.[4]

Habitat

Minimum recorded depth is 250 m.[4] Maximum recorded depth is 765 m.[4]

References

  1. ^ E. A. Smith, 1907. Southern Ocean Mollusc Database (SOMBASE), available online at "Southern Ocean Mollusc Database (SOMBASE)". Archived from the original on 2007-01-18. Retrieved 2012-11-03.. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=197275 on 2013-04-01.
  2. ^ Engl W. (2012) Shells of Antarctica. Hackenheim: Conchbooks. 402 pp.
  3. ^ Warén A. (2011). Checklist of Eulimidae. pers. com.
  4. ^ a b c Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.

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Melanella convexa: Brief Summary

provided by wikipedia EN

Melanella convexa is a species of sea snail, a marine gastropod mollusk in the family Eulimidae. The species is one of many species known to exist within the genus, Melanella. This species is mainly distributed throughout the seas and oceans south of the Antarctic Circle.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN