Anachis fluctuata

Anachis fluctuata
	Shell of Anachis fluctuata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Columbellidae
Genus:	Anachis
Species:	A. fluctuata
Binomial name
	Anachis fluctuata; (G. B. Sowerby I, 1832)
Synonyms
	Colombella costata Duclos, 1840; Colombella fluctuosa Duclos, 1846; Columbella costata Valenciennes, 1833; Columbella fluctuata G. B. Sowerby I, 1832 (original combination); Columbella suturalis J. E. Gray, 1834 (junior synonym); Costoanachis fluctuata (G. B. Sowerby I, 1832) ·;

Anachis fluctuata is a species of sea snail in the family Columbellidae, the dove snails.^[1]

Description

The length of the shell attains 21 mm.

(Original description in Latin) The oblong shell is white and is marked with black or chestnut spots and undulations. It has a dusky epidermis, and the spire's apex is usually eroded. There are 7 whorls, which are longitudinally ribbed, with the ribs on the body whorl being abbreviated. The aperture is constricted in the middle. The outer lip is emarginated on the upper part, and the inner lip is denticulate below.^[2]

Distribution

This species occurs in the Gulf of California and in the Pacific Ocean off Costa Rica, Panama and Ecuador

References

^ Anachis fluctuata (G. B. Sowerby I, 1832). 19 June 2025. Retrieved through: World Register of Marine Species.
^ Broderip, W. J.; Sowerby, G. B. I. (1832–1833). "Descriptions of new species of shells from the collection formed by Mr. Cuming on the western coast of South America, and among the islands of the southern Pacific Ocean". Proceedings of the Committee of Science and correspondence of the Zoological Society of London. Part 2: 116. This article incorporates text from this source, which is in the public domain.

Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. Revista de Biologia Tropical. 51(supplement 3): 225-284.

External links

Broderip, W. J.; Sowerby, G. B. I. (1832–1833). "Descriptions of new species of shells from the collection formed by Mr. Cuming on the western coast of South America, and among the islands of the southern Pacific Ocean". Proceedings of the Committee of Science and correspondence of the Zoological Society of London. Part 2: 116.
Duclos, P.L. (1840). Histoire naturelle générale et particulière de tous les genres de coquilles univalves marines à l'état vivant et fossile, publiée par monographie. Genre Colombelle. Paris: Didot. p. 8.
Valenciennes, A. (1832). Coquilles univalves marines de l'Amérique équinoxiale, recueillies pendant le voyage de MM. A. de Humboldt et A. Bonpland. In: Humboldt, A. von & Bonpland, A. (Eds), Recueil d'observations de zoologie et d'anatomie comparée: faites dans l'océan atlantique, dans l'intérieur du nouveau continent et dans la mer du sud pendant les années 1799, 1800, 1801, 1802 et 1803. Vol. 2. Paris: J. Smith, and Gide. Retrieved 19 June 2025.

[WoRMS-1] Anachis fluctuata (G. B. Sowerby I, 1832). 19 June 2025. Retrieved through: World Register of Marine Species.

[2] Broderip, W. J.; Sowerby, G. B. I. (1832–1833). "Descriptions of new species of shells from the collection formed by Mr. Cuming on the western coast of South America, and among the islands of the southern Pacific Ocean". Proceedings of the Committee of Science and correspondence of the Zoological Society of London. Part 2: 116. This article incorporates text from this source, which is in the public domain.

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