Cassis madagascariensis

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Cassis madagascariensis
Cassis madagascariensis from Margarita Island.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Cassidae
Genus: Cassis
Species:
C. madagascariensis
Binomial name
Cassis madagascariensis
Lamarck, 1822
Synonyms

Cassis madagascariensis spinellaClench, 1944

Cassis madagascariensis, common name the queen helmet, is a marine gastropod mollusc in the family Cassidae, the helmet shells and bonnet shells. [1]

Contents

Emperor/Queen Helmet Snail in the wild. Helmet-snail 8679.JPG
Emperor/Queen Helmet Snail in the wild.

Distribution

This species occurs in the tropical Western Atlantic, the Gulf of Mexico and the Caribbean Sea. The specific name "madagascarensis" literally means "of Madagascar", but this was a misunderstanding of the type locality by the original author.

Description

The maximum recorded shell length is 409 mm. [2]

Habitat

United States Virgin Islands, St. John. Emperor/Queen Helmet Snails frequently observed (photographed) in depths as shallow as two feet. [3] This contradicts the previously reported minimum depth of 3 m. [2] The maximum recorded depth is 183 m. [2]

Human uses

Cameo by Ascione manufacture, 1925, Naples, Coral and Cameo Jewellery Museum. Cameo of Sardinian conch, Ascione e Antonio Mennella 1925, Museo Ascione.jpg
Cameo by Ascione manufacture, 1925, Naples, Coral and Cameo Jewellery Museum.

Shells of Cassis madagascariensis are used in jewellery to make cameos. In the Maldives the shell is boiled and the boiled water of the shell is used as a traditional remedy for Flu and fever like symptoms.

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References

  1. ↑ Rosenberg, G. (2015). Cassis madagascariensis Lamarck, 1822. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=419778 on 2016-01-05
  2. 1 2 3 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.
  3. ↑ "Helmet Snail - Cassis tuberosa, Cassis madagascariensis - USVI Caribbean".
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