''Turricula tornata'', common name the turned turrid, 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
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 Clavatulidae.
[Rosenberg, G. (2015). Turricula tornata. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=746168 on 4 July 2016]
Description
The size of an adult shell varies between 60 mm and 75 mm.
The shell is smooth and ivory-like. The lower portion of
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 ...
shows revolving striae. The upper portion of the whorls are broadly, concavely
channeled. The anal sinus is broad and shallow. The
siphonal canal
The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water is ...
is long. The color of the shell is whitish or yellowish, flexuously strigated with light brown.
[ George Washington Tryon, Manual of Conchology vol. VI p. 237; 1884 (described as ''Surcula tornata'')]
Distribution
This species has a wide distribution : from the
Red Sea to
Thailand and the
Western Pacific.
References
* Grant, U. S. & Gale, H. R. (1931). ''Catalogue of the marine Pliocene and Pleistocene Mollusca of California and adjacent region''. Memoirs of the San Diego Society of Natural History 1: 1036 pp. + 32 pl
External links
*
{{DEFAULTSORT:Turricula Tornata
tornata
Tornata ( Cremunés: ) is a ''comune'' (municipality) in the Province of Cremona in the Italian region Lombardy, located about southeast of Milan and about east of Cremona. As of 31 December 2004, it had a population of 522 and an area of .All de ...
Gastropods described in 1817