''Turbonilla heilprini'' is a
species of
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
, a
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk in the
family Pyramidellidae, the pyrams and their allies.
[Rosenberg, G. (2011). ''Turbonilla heilprini'' Bush, 1899. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=533561 on 2012-03-01]
Description
The shell grows to a length of about 2.8 mm.
The small shell is very slender, and gradually tapered. Its color is white. It is semitransparent, and very lustrous. The 1½ nearly flat whorls of the protoconch are prominent, slightly oblique and slightly projecting. The eight
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
Whorls in nature
File:Photograph and axial plane floral ...
s of the
teleoconch are moderately convex. The
suture is distinct, and straight. The transverse ribs number about 18. They are straight, nearly perpendicular, clean-cut, and rounded. They are separated by equally wide, deep spaces terminating at the periphery of the
body whorl
The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk.
In gastropods
In gastropods, the b ...
with square-cut ends. The base of the shell is well-rounded, and smooth. The
outer lip is broken. The inner lip is thickened. There are no microscopic striae.
[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) p. 167](_blank)
/ref>
Distribution
This species occurs in the Atlantic Ocean off Bermuda at a depth of 4 meters.
References
External links
To Biodiversity Heritage Library (3 publications)
To Encyclopedia of Life
To World Register of Marine Species
{{Taxonbar, from=Q7854203
heilprini
Gastropods described in 1899