Pyramidella corrugata

Pyramidella corrugata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.[1][2]

Pyramidella corrugata
Drawing of a shell of Pyramidella corrugata
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily:
Pyramidelloidea
Family:
Pyramidellidae
Genus:
Pyramidella
Species:
P. corrugata
Binomial name
Pyramidella corrugata
Lamarck, 1822

Description

The length of the shell attains 23 mm.

The elongated shell is slender and turreted. It is white, with small sparse, scattered yellow spots near the suture. The pointed spire is formed of nine or ten slightly convex whorls, the surface of which is covered with longitudinal folds, also convex, very distinct, smooth, numerous, regular, prolonged even to the summit of the whorls, and accompanied with some small, scattered, yellowish spots. Numerous compressed transverse striae are found between the interstices. The suture is linear. The narrow aperture is ovate, elongated, and slightly narrowed at its extremities. It forms at its base a little depression in an oblique siphonal canal. The outer lip is thin and arcuate. The columella is imperforate at its base. iI is slightly arcuated, thin, furnished with three folds, the first more strongly marked than the others, which are a little oblique.[3][4]

Distribution

This marine species occurs in the following locations:[1]

References
  1. WoRMS (2010). Pyramidella corrugata. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=208420 on 2012-01-12
  2. Spry, J.F. (1961). The sea shells of Dar es Salaam: Gastropods. Tanganyika Notes and Records 56
  3. Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers; Boston :W.D. Ticknor,1837 (described as Pyramidella corrugata)
  4. G.W. Tryon, Manual of Conchology vol. VIII p. 305; 1889
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.