Turbonilla compsa

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

Turbonilla compsa
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily:
Pyramidelloidea
Family:
Pyramidellidae
Subfamily:
Turbonillinae
Genus:
Turbonilla
Species:
T. compsa
Binomial name
Turbonilla compsa
Bush, 1899 [1]
Synonyms

Chemnitzia compsa (Bush, 1899)

Description

The shell grows to a length of 3.4 mm. It is small, opaque white, with considerable lustre. Its upper portion is much more abruptly tapered than the lower. The eight whorls of the teleoconch are flattened. The only curvature is just above the suture which is so deep and straight that each whorl extends out abruptly beyond the preceding one. The transverse ribs are irregularly developed due to an injury. There are about 30 narrow and, perpendicular ribs. They are straight on the upper whorls, becoming slightly curved above. On the lower whorls they are separated by wider, moderately deep spaces, which end at the periphery of the well-rounded body whorl in clean-cut, rounded ends. The base of the shell is elongate, and well-rounded. The inner lip is straight and thickened.[3]

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References
  1. Bush, K. J. 1899. Descriptions of new species of Turbonilla of the Western Atlantic fauna, with notes on those previously known. Proceedings of the Academy of Natural Sciences of Philadelphia 51: 145-177, pl. 8
  2. Rosenberg, G. (2011). Turbonilla compsa Bush, 1899. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533547 on 2012-03-01
  3. K.J. Bush (1899), Descriptions of New Species of Turbonilla of the Western Atlantic Fauna, with Notes on Those Previously Known; Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 51, No. 1 (Jan. - Mar., 1899), pp. 168-169
  • To Biodiversity Heritage Library (2 publications)
  • To Encyclopedia of Life
  • To World Register of Marine Species
  • "Turbonilla compsa". Gastropods.com. Retrieved 5 March 2012.


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