Biology:Vexillum obeliscus

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Short description: Species of gastropod

Vexillum obeliscus
Vexillum obeliscus 01.JPG
Vexillum obeliscus
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Turbinelloidea
Family: Costellariidae
Genus: Vexillum
Species:
V. obeliscus
Binomial name
Vexillum obeliscus
(Reeve, 1844)
Synonyms[1]
  • Costellaria obeliscus (Reeve, 1844)
  • Mitra (Turricula) obeliscus Reeve, 1844
  • Mitra (Turricula) obeliscus var. andamanica G. Nevill & H. Nevill, 1875
  • Mitra obeliscus Reeve, 1844
  • Mitropifex quasillus Iredale, 1929 ·
  • Turricula (Costellaria) obeliscus (Reeve, 1844)
  • Vexillum andamanica Nevill, G. & H. Nevill, 1875
  • Turricula quasillus Iredale, T., 1929

Vexillum obeliscus, common name the obelisk mitre, is a species of small sea snail, marine gastropod mollusk in the family Costellariidae, the ribbed miters.[1]

Description

The shell size varies between 20 mm and 45 mm

(Original description) The shell is acuminately turreted. The spire is sharp. The whorls are longitudinally ribbed. The ribs are narrow and close-set. The interstices are impressly cancellated. The shell is yellowish brown, encircled with a single white line. The columella is four-plaited. The base is recurved in a twisted manner.[2]

The shell is chestnut-brown, with a central white band, and sometimes an inferior narrower one.[3]

The shells are extremely variable in sculpture and other morphological features.[4]

Distribution

This species is distributed in the Red Sea and in the Indian Ocean along the Mascarene Basin and Madagascar ; in the Pacific Ocean along New Guinea, New Caledonia, Fiji and the Solomons Islands.

References

  • Drivas, J. & M. Jay (1988). Coquillages de La Réunion et de l'île Maurice
  • Turner H. 2001. Katalog der Familie Costellariidae Macdonald, 1860. Conchbooks. 1-100 page(s): 48

External links

Wikidata ☰ Q7924112 entry