Supplanaxis niger
Shell of Supplanaxis niger
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Family: Planaxidae
Genus: Supplanaxis
Species:
S. niger
Binomial name
Supplanaxis niger
(Quoy & Gaimard, 1833)
Synonyms[1]
  • Planaxis abbreviata Pease, 1865
  • Planaxis abbreviata ogasawarana Pilsbry, 1905 ·
  • Planaxis atra Pease, 1869
  • Planaxis hanleyi E. A. Smith, 1872
  • Planaxis nicobaricus Frauenfeld, 1866
  • Planaxis niger Quoy & Gaimard, 1833 (original combination)
  • Planaxis nigra [sic] (incorrect gender ending)
  • Planaxis similis E. A. Smith, 1872
  • Supplanaxis abbreviatus (Pease, 1865)

Supplanaxis niger is a species of sea snail, a marine gastropod mollusk in the family Planaxidae.[1]

Description

The length of the shell attains 13 mm, its diameter 7.7 mm.

(Original description of Planaxis abbreviata ogasawarana Pilsbry, 1905)) The shell is larger and longer than Planaxis abbreviata Pease (synonym of Supplanaxis niger (Quoy & Gaimard, 1833)), ovate-conic, thick and solid, chocolate-brown, the body whorl covered with a dull fibrous cuticle. Sculpture of spiral grooves, often weak in the middle of the body whorl, strong below the suture and at the base. The shell contains about 6 convex whorls. The aperture is oblique, the outer lip is thickened within, and bearing 11 to 14 lirae, which extend into the throat. The basal and posterior notches are small, deep and rounded.[2]

Distribution

This marine species occurs off Madagascar, Japan and Papua New Guinea.

References

  • Poppe G.T., Tagaro S.P. & Stahlschmidt P. (2015). New shelled molluscan species from the central Philippines I. Visaya. 4(3): 15–59.
  • Hasegawa K. (2017). Family Planaxidae. pp. 794–795, in: T. Okutani (ed.), Marine Mollusks in Japan, ed. 2. 2 vols. Tokai University Press. 1375 pp.
Wikimedia Commons has media related to Planaxis niger.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.