Triptychus niveus

Triptychus niveus
	Drawing of a shell of Triptychus niveus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Heterobranchia
Family:	Pyramidellidae
Genus:	Triptychus
Species:	T. niveus
Binomial name
	Triptychus niveus; (Mørch, 1875)
Synonyms
	Obeliscus niveus Mörch, 1875; Oscilla biseriata auct. non Gabb, 1881; Pyramidella (Triptychus) nivea (Mørch, 1875); Pyramidella niveus (Mörch, 1875); Pyramidella vincta Dall, 1884;

Triptychus niveus is a

mollusk in the family Pyramidellidae, the pyrams and their allies.^[2]^[3]

Description

The shell grows to a length of 9.5 mm. The white shell is slender. The

teleoconch are flattened, each with three spiral ribs, the two upper ones nodulous. The body whorl has two plain ribs below the nodulous ones, and three revolving ridges below the periphery, forming columellar folds. The aperture is produced below.^[4]

Distribution

This species occurs in the following locations:[2]

Aruba
Belize
Bonaire
Caribbean Sea
Cayman Islands
Colombia
Costa Rica
Cuba
Curaçao
Gulf of Mexico
Lesser Antilles
Mexico
Panama
Puerto Rico

References

^ Mörch, O. A. L. 1875. Synopsis molluscorum marinorum Indiarum occidentalium. Malakozoologische Blätter 22: 142-184.
^ ^a ^b ^c Rosenberg, G. (2011). Triptychus niveus (Mørch, 1875). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=420469 on 2012-01-12
^ Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
^ G.W. Tryon, Manual of Conchology vol. VIII p. 304

Dall, W. H. 1884. On a collection of shells sent from Florida by Mr. Henry Hemphill. Proceedings of the United States National Museum 6(384): 318–342, pl. 10

External links

[1] Mörch, O. A. L. 1875. Synopsis molluscorum marinorum Indiarum occidentalium. Malakozoologische Blätter 22: 142-184.

[WoRMS-2] Rosenberg, G. (2011). Triptychus niveus (Mørch, 1875). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=420469 on 2012-01-12

[3] Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.

[4] G.W. Tryon, Manual of Conchology vol. VIII p. 304

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