Conus jourdani

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Conus jourdani
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Conidae
Genus: Conus
Species:
C. jourdani
Binomial name
Conus jourdani
da Motta, 1984
Synonyms [1]
  • Conus (Lautoconus) jourdanida Motta, 1984 · accepted, alternate representation
  • Varioconus jourdani(da Motta, 1984)

Conus jourdani is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies. [1]

Contents

Like all species within the genus Conus, these snails are predatory and venomous. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all.

Distribution

This species occurs in the Atlantic Ocean off St. Helena. The minimum recorded depth is 0 m. [2] Maximum recorded depth is 0 m. [2]

Description

The maximum recorded shell length is 30.2 mm. [2] The shell is moderately small, solid, compact, broad, and ventricosly conical shell. The sides of the last whorl are straight and convex below the shoulder, which is rounded. The spire is moderately elevated with a straight profile. The surface of the last whorl is smooth above the base. The spiral whorls are usually convex, covered with very fine arcuate radial hairlines. Cords are absent while the protoconch is assumed to be paucispiral. The colour of the shell is bluish-white with a variable number of patterned zones below the shoulder. The spire whorls usually exhibit brown or orange-brown blotches. The aperture is purplish-white in the inside, with the internal margin of the lip stained purple interrupted by two narrow white bands, one at the shoulder and the other at the lower third. The periostracum is pale yellow and translucent. The opurculum is small and elongated typical of a varioconus. [3]

References

  1. 1 2 Conus jourdani da Motta, 1984 . Retrieved through: World Register of Marine Species  on 27 March 2010.
  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. ↑ "New insights into Conus jourdani da motta, 1984 (Gastropoda, Conidae), an endemic species from Saint Helena Island". ResearchGate . 16 February 2025. Retrieved 16 February 2025.{{cite web}}: CS1 maint: url-status (link)


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