Siratus motacilla

Siratus motacilla is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.[1]

Siratus motacilla
Shell of Siratus motacilla (specimen at MNHN, Paris)
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily:
Muricoidea
Family:
Muricidae
Subfamily:
Muricinae
Genus:
Siratus
Species:
S. motacilla
Binomial name
Siratus motacilla
(Gmelin, 1791)
Synonyms[1]
  • Murex briskasii Verrill, 1953
  • Murex motacilla Gmelin, 1791

Description

The length of the shell regularly attains 50-60 mm.
Its shell colour varies between shades of yellow through pink to a darker red, in strong spiral bands.

This deepwater species can have a considerably extended siphonal canal sometimes accounting for more than half the shell's overall length. The mollusc's operculum efficiently seals the aperture completely.

Distribution

This uncommon species has been trapped alive off the West coast of Barbados Lesser Antilles, at depths around 100 m; also off Martinique.

References
  1. Siratus motacilla (Gmelin, 1791). Retrieved through: World Register of Marine Species on 24 April 2010.
  • Merle D., Garrigues B. & Pointier J.-P. (2011) Fossil and Recent Muricidae of the world. Part Muricinae. Hackenheim: Conchbooks. 648 pp.
  • Houart, R. (2014). Living Muricidae of the world. Muricinae. Murex, Promurex, Haustellum, Bolinus, Vokesimurex and Siratus. Harxheim: ConchBooks. 197 pp.
  • Garrigues B. & Lamy D. (2019). Inventaire des Muricidae récoltés au cours de la campagne MADIBENTHOS du MNHN en Martinique (Antilles Françaises) et description de 12 nouvelles espèces des genres Dermomurex, Attilosa, Acanthotrophon, Favartia, Muricopsis et Pygmaepterys (Mollusca, Gastropoda). Xenophora Taxonomy. 23: 22–59.


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