Triptychus niveus

Triptychus niveus is a species of small sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.[2][3]

Triptychus niveus
Drawing of a shell of Triptychus niveus
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily:
Pyramidelloidea
Family:
Pyramidellidae
Genus:
Triptychus
Species:
T. niveus
Binomial name
Triptychus niveus
(Mørch, 1875) [1]
Synonyms[2]
  • Obeliscus niveus Mörch, 1875
  • Oscilla biseriata auct. non Gabb, 1881
  • Pyramidella (Triptychus) nivea (Mørch, 1875)
  • Pyramidella niveus (Mörch, 1875)
  • Pyramidella vincta Dall, 1884

Description

The shell grows to a length of 9.5 mm. The white shell is slender. The whorls of 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
  1. Mörch, O. A. L. 1875. Synopsis molluscorum marinorum Indiarum occidentalium. Malakozoologische Blätter 22: 142-184.
  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
  • 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
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