Nihonia circumstricta

Nihonia circumstricta
	Original image of a shell of Nihonia circumstricta
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Cochlespiridae
Genus:	Nihonia
Species:	N. circumstricta
Binomial name
	Nihonia circumstricta; (Martens, 1901)
Synonyms[1]
	Pleurotoma (Surcula) circumstricta Martens, 1901; Surcula circumstricta (Martens, 1901);

Nihonia circumstricta is a species of sea snail, a marine gastropod mollusk in the family Cochlespiridae.[1][2]

Description

The length of the shell varies between 50 mm and 65 mm, its diameter between 15.5 mm and 19 mm. The shell has an elongate-fusiform shape. It contains 9 weakly angulate whorls

Distribution

This species occurs in the Indian Ocean off Tanzania at depths between 300–400 m.

References

Nihonia circumstricta (Martens, 1901). Retrieved through: World Register of Marine Species on 31 August 2011.
P. Bouchet; Yu. I. Kantor; A. Sysoev; N. Puillandre (2011). "A new operational classification of the Conoidea (Gastropoda)". Journal of Molluscan Studies. 77 (3): 273–308. doi:10.1093/mollus/eyr017.

E. von Martens, Sitzungsberichte d. Gesellsch. nat. Freunde Berlin, 1901, p. 15.

External links

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[WoRMS-1] Nihonia circumstricta (Martens, 1901). Retrieved through: World Register of Marine Species on 31 August 2011.

[Conoidea-2] P. Bouchet; Yu. I. Kantor; A. Sysoev; N. Puillandre (2011). "A new operational classification of the Conoidea (Gastropoda)". Journal of Molluscan Studies. 77 (3): 273–308. doi:10.1093/mollus/eyr017.