Gemophos viverratus

Gemophos viverratus
	Five views of a shell of Gemophos viverratus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda; clade Hypsogastropoda; clade Neogastropoda
Superfamily:	Buccinoidea
Family:	Pisaniidae
Genus:	Gemophos
Species:	G. viverratus
Binomial name
	Gemophos viverratus; (Kiener, 1834)
Synonyms[1]
	Buccinum viverratum Kiener, 1834 (original combination); Cantharus proteus Scacchi, A., 1836; Cantharus variegata Tryon, G.W., 1881; Cantharus viverratus (Kiener, 1834); Pisania viveratoides Orbigny, A.V.M.D. d', 1844;

Gemophos viverratus is a species of sea snail, a marine gastropod mollusk in the family Pisaniidae.[1]

Description

The length of the shell varies between 30 mm and 50 mm.

(Original description) The ovate shell is elongated and spindle-shaped. It is of an olive color. The pointed spire is formed of six or seven slightly convex whorls, the lowest larger than all the others together, slightly angular, and flattish above. The edge of the angle in young specimens, is more prominent, and bordered by a row of pretty apparent tubercles, which disappear with age. The sutures are slightly perceptible. The first three upper whorls are covered with very approximate small longitudinal folds. The others are ornamented externally merely, with numerous, regular transverse striae, between which are distinguished other very delicate ones. These striae are interrupted by elongated white or reddish spots, often presenting grayish flammules upon the upper whorls. The ovate aperture is elongated, attenuated at its two extremities. Its interioris bluish. The whitish columella is smooth, almost straight, and a little twisted at its base. The outer lip is straight, thin, sharp, lightly striated at its inner edge with brown lines.[2]

Distribution

This species occurs in the Atlantic Ocean from Mauritania to Angola; off the Cape Verdes and the Canary Islands. It was originally described from the Mediterranean Sea off Alexandria.

gollark: "Only" three weeks?

gollark: It's 50 now, though! Even better.

gollark: Ah, of course, silly me.

gollark: Taako: they've had long enough and it'd not take long.

gollark: This is why I suspect it's a social experiment.

References

Gemophos viverratus (Kiener, 1834). Retrieved through: World Register of Marine Species on 29 August 2010.
Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers; Boston :W.D. Ticknor,1837 (described as Buccinum viverratum)

Gofas, S.; Afonso, J.P.; Brandào, M. (Ed.). (S.a.). Conchas e Moluscos de Angola = Coquillages et Mollusques d'Angola. [Shells and molluscs of Angola]. Universidade Agostinho / Elf Aquitaine Angola: Angola. 140 pp.
Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.
Bernard, P.A. (Ed.) (1984). Coquillages du Gabon [Shells of Gabon]. Pierre A. Bernard: Libreville, Gabon. 140, 75 plates pp.

External links

"Gemophos viverratus". Gastropods.com. Retrieved 16 January 2019.

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[WoRMS-1] Gemophos viverratus (Kiener, 1834). Retrieved through: World Register of Marine Species on 29 August 2010.

[Kiener-2] Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers; Boston :W.D. Ticknor,1837 (described as Buccinum viverratum)