Glyphoturris quadrata

Glyphoturris quadrata
	Shell of Glyphoturris quadrata (museum specimen at MNHN, Paris)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Mangeliidae
Genus:	Glyphoturris
Species:	G. quadrata
Binomial name
	Glyphoturris quadrata; (Reeve, 1845)
Synonyms[1]
	Clathurella quadrata (Reeve, 1845); Defrancia quadrata (Reeve, 1845); Glyphoturris diminuta (C. B. Adams, 1850); Mangelia diminuta Adams, C.B., 1850; Mangelia quadrata (Reeve, 1845); Mangilia quadrata (Reeve, 1845); Pleurotoma quadrata Reeve, 1845; Pleurotomoides quadrata L.A. Reeve, 1845;

Glyphoturris quadrata, common name the square glyph-turrid, is a species of small carnivorous sea snail, a marine gastropod mollusk in the family Mangeliidae.[1]

The subspecies Glyphoturris quadrata rugirima (Dall, 1889) is a synonym of Glyphoturris rugirima (Dall, 1889)

Distribution

G. quadrata can be found in Atlantic waters, ranging from the eastern coast of Florida and the Gulf of Mexico, south to Brazil, and also surrounding Bermuda.;[2] in the Gulf of Mexico, the Caribbean Sea and the Lesser Antilles.

Description

The size of the shell varies between 4 mm and 6.8 mm.

The shell is strongly biangulated on the body whorl. The ribs are distant and conspicuous. The revolving sculpture is fine and close. The color of the shell is whitish or yellowish. The interstices of the ribs often are chestnut-colored.[3]

Glyphoturris diminuta was previously thought to differ from Glyphoturris quadrata (Reeve, 1845) in the greater strength of the sculpture. The aperture and the columella are white.[4]

References

Glyphoturris quadrata (Reeve, 1845). Retrieved through: World Register of Marine Species on 8 August 2011.
Tunnell, John W., Jr., Felder, Darryl L., & Earle, Sylvia A., eds. Gulf of Mexico Origin, Waters, and Biota, Volume 1: Biodiversity. Texas A&M University Press, 2009. 666.
G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences
Dall W. H. 1889. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877–78) and in the Caribbean Sea (1879–80), by the U.S. Coast Survey Steamer "Blake", Lieut.-Commander C.D. Sigsbee, U.S.N., and Commander J.R. Bartlett, U.S.N., commanding. XXIX. Report on the Mollusca. Part 2, Gastropoda and Scaphopoda. Bulletin of the Museum of Comparative Zoölogy at Harvard College 18: 1–492, pls. 10–40 This article incorporates text from this source, which is in the public domain.

External links

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[WoRMS-1] Glyphoturris quadrata (Reeve, 1845). Retrieved through: World Register of Marine Species on 8 August 2011.

[2] Tunnell, John W., Jr., Felder, Darryl L., & Earle, Sylvia A., eds. Gulf of Mexico Origin, Waters, and Biota, Volume 1: Biodiversity. Texas A&M University Press, 2009. 666.

[3] G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences

[4] Dall W. H. 1889. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877–78) and in the Caribbean Sea (1879–80), by the U.S. Coast Survey Steamer "Blake", Lieut.-Commander C.D. Sigsbee, U.S.N., and Commander J.R. Bartlett, U.S.N., commanding. XXIX. Report on the Mollusca. Part 2, Gastropoda and Scaphopoda. Bulletin of the Museum of Comparative Zoölogy at Harvard College 18: 1–492, pls. 10–40 This article incorporates text from this source, which is in the public domain.