Peristichia toreta

Peristichia toreta, common name the tower pyram, is a species of small sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.[1][2]

Tower pyram
Drawing of a shell of Peristichia toreta
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily:
Pyramidelloidea
Family:
Pyramidellidae
Genus:
Peristichia
Species:
P. toreta
Binomial name
Peristichia toreta
Dall, 1889

Description

The length of an adult shell can be as much as 13.5 mm. The shell has two basal keels. The axial sculpture consists of strong ribs, and the spiral sculpture consists of strong ridges.[3]

Distribution

This species occurs in the following locations:[1]

References
  1. Rosenberg, G. (2011). Peristichia toreta Dall, 1889. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=420466 on 2012-01-12
  2. 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.
  3. Dall & Bartsch, A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p. 12; 1909


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