Janthina exigua

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Jathina exigua
File:Ianthina exigua (Sowerby).jpg
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
clade Caenogastropoda

clade Hypsogastropoda

informal group Ptenoglossa
Superfamily:
Family:
Genus:
Species:
J. exigua
Binomial name
Janthina exigua
Lamarck, 1816
Synonyms[1]
  • Janthina bifida Nuttall, 1850
  • Janthina capreolata Montrouzier, 1860
  • Janthina incisa Philippi, 1848
  • Janthina nitida A. Adams, 1861
  • Janthina striata Montrouzier, 1860
  • Janthina vinsoni Deshayes, 1863

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Janthina exigua, also known as the dwarf janthina, is a species of small holoplanktonic sea snail, a marine gastropod mollusk in the family Janthinidae, the violet snails or purple storm snails.[1]

Distribution

This species is pelagic, and occurs around the world in tropical waters, in other words it is circumequatorial.[1]

It has been recorded from:

  • The Atlantic[1]
  • British Isles[1]
  • European waters[1]
  • Madagascar[1]
  • Mascarene Basin[1]
  • Mediterranean Sea[1]
  • Mozambique[1]
  • The Pacific Ocean[1]
  • South Africa[1]
  • The West Coast of Ireland[1]

Description

The maximum recorded shell length is 15.3 mm.[2]

Habitat

Minimum recorded depth is 0 m.[2] Maximum recorded depth is 0 m.[2]

References

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 Gofas, S. (2009). Janthina exigua Lamarck, 1816. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=140154 on 2010-05-16
  2. 2.0 2.1 2.2 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.