Semicassis labiata
Semicassis labiata (Lamarck, 1822)
Underside of living specimen
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Cassidae
Genus: Semicassis
Species:
S. labiata
Binomial name
Semicassis labiata
(Perry, 1811)
Synonyms[1]
  • Cassidea labiata Perry, 1811
  • Cassis achatina Lamarck, 1816
  • Phalium (Xenogalea) labiatum (Perry, 1811)
  • Phalium labiatum (Perry, 1811)
  • Semicassis (Semicassis) labiata (Perry, 1811)· accepted, alternate representation
  • Semicassis labiata iheringi (Carcelles, 1953)
  • Semicassis labiata labiata (G. Perry, 1811)· accepted, alternate representation
  • Xenogalea collactea Finlay, 1928
  • Xenogalea insperata Iredale, 1927

Semicassis labiata (formerly also known as Phalium labiatum) is a species of large predatory sea snail, a marine gastropod mollusc. This species is in the subfamily Cassinae, the "helmet shells" and "bonnet shells", which feed on sea urchins.[2]

Subspecies

Semicassis labiata zeylanica (Lamarck, 1822) shell
Semicassis labiata iredalei (Bayer, 1935) shell
  • Semicassis labiata iheringi (Carcelles, 1953)[1]
  • Semicassis labiata labiata (G. Perry, 1811)[1]
  • Semicassis labiata zeylanica (Lamarck, 1822)

Distribution

This species occurs in New Zealand[3]

Description

The maximum recorded shell length of Semicassis labiata iheringi is 76 mm.[4] Also trawled at 70-75 m. depth, off Sao Paulo, Brazil.

Habitat

The minimum recorded depth of Semicassis labiata iheringi is 25 m, and the maximum recorded depth is 84 m.[4]

References

  1. 1 2 3 WoRMS (2010). Semicassis labiata. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533621 on 2011-02-17
  2. ↑ Gofas, S. (2012). Semicassis labiata (Perry, 1811). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533621 on 2012-07-15
  3. ↑ Powell A. W. B. (1979). William Collins Publishers Ltd, Auckland ISBN 0-00-216906-1.
  4. 1 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.
  • Finlay, H. J. (1928). The Recent Mollusca of the Chatham Islands. Transactions of the New Zealand Institute. 59: 232–286.
  • Dautzenberg, Ph. (1929). Mollusques testacés marins de Madagascar. Faune des Colonies Francaises, Tome III
  • MacDonald & Co (1979). The MacDonald Encyclopedia of Shells. MacDonald & Co. London & Sydney.
  • Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. pp 196–219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch

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