Borsonella callicesta

Borsonella callicesta
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Borsoniidae
Genus:	Borsonella
Species:	B. callicesta
Binomial name
	Borsonella callicesta; (Dall, 1902)
Synonyms
	Cryptogemma cymothoë Dall, 1919; Cryptogemma eidola Dall, W.H., 1919; Gemmula esuriens Dall, W.H., 1908; Gemmula esuriens pernoda (f) Dall, W.H., 1908; Pleurotoma callicesta Dall, 1902; Spirotropis cymothoë (Dall, 1919);

Borsonella callicesta is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.^[2]

Description[edit]

The small shell is white, covered with an olivaceous periostracum, and with four whorls exclusive of an apical whorl or two (which in the specimens is always eroded). The suture is distinct. The edge of the whorl in front of it is slightly thickened. The spiral sculpture on the upper whorls consists of a somewhat blunt peripheral keel, undulated more or less toward the apex and obsolete on the body whorl. Other sculpture consists of minute, broken, irregular, more or less oblique, usually punctate impressed lines. The aperture is simple. The outer lip is sharp. The body of the shell is erased and white. The siphonal canal is short, somewhat recurved

The height of four whorls, 15 mm; of the body whorl, 10 mm; diameter of the shell: 7 mm.^[3]

Distribution[edit]

This species occurs in the Pacific Ocean off San Diego, California, Mexico and in the Gulf of Panama.

References[edit]

^ Dall, W.H. (1902) Illustrations and descriptions of new, unfigured, or imperfectly known shells, chiefly American, in the U. S. National Museum. Proceedings of the United States National Museum, 24, 499–566, pls. 27–40.
^ ^a ^b Borsonella callicesta (Dall, 1902). Retrieved through: World Register of Marine Species on 13 August 2011.
^ Dall (1919) Descriptions of new species of Mollusca from the North Pacific Ocean; Proceedings of the U.S. National Museum, vol. 56 (1920) p. 300 (described as Cryptogemma eidola)

Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.

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[1] Dall, W.H. (1902) Illustrations and descriptions of new, unfigured, or imperfectly known shells, chiefly American, in the U. S. National Museum. Proceedings of the United States National Museum, 24, 499–566, pls. 27–40.

[WoRMS-2] Borsonella callicesta (Dall, 1902). Retrieved through: World Register of Marine Species on 13 August 2011.

[3] Dall (1919) Descriptions of new species of Mollusca from the North Pacific Ocean; Proceedings of the U.S. National Museum, vol. 56 (1920) p. 300 (described as Cryptogemma eidola)

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