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Jaspidiconus : ウィキペディア英語版
Jaspidiconus

''Jaspidiconus'' is a subgenus of sea snails, marine gastropod mollusks in the genus ''Conasprella'', family Conidae, the cone snails and their allies.〔Bouchet, P. (2015). Jaspidiconus Petuch, 2003. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=456435 on 2015-03-18〕
In the new classification of the family Conidae by Puillandre N., Duda T.F., Meyer C., Olivera B.M. & Bouchet P. (2015), ''Jaspidiconus'' has become a subgenus of ''Conasprella'': ''Conasprella (Ximeniconus)'' Tucker & Tenorio, 2009 represented as ''Conasprella'' Thiele, 1929 〔 ( Puillandre N., Duda T.F., Meyer C., Olivera B.M. & Bouchet P. (2015). ''One, four or 100 genera? A new classification of the cone snails''. Journal of Molluscan Studies. 81: 1-23 ) 〕
==Distinguishing characteristics==
The Tucker & Tenorio 2009 taxonomy distinguishes ''Jaspidiconus'' from ''Conus'' in the following ways:〔Tucker J.K. & Tenorio M.J. (2009), Systematic Classification of Recent and Fossil Conoidean Gastropods, ConchBooks, Hankenheim, Germany, 295 pp.〕
* Genus ''Conus'' ''sensu stricto'' Linnaeus, 1758
:: Shell characters (living and fossil species)
:::The basic shell shape is conical to elongated conical, has a deep anal notch on the shoulder, a smooth periostracum and a small operculum. The shoulder of the shell is usually nodulose and the protoconch is usually multispiral. Markings often include the presence of tents except for black or white color variants, with the absence of spiral lines of minute tents and textile bars.
::Radular tooth (not known for fossil species)
:::The radula has an elongated anterior section with serrations and a large exposed terminating cusp, a non-obvious waist, blade is either small or absent and has a short barb, and lacks a basal spur.
::Geographical distribution
:::These species are found in the Indo-Pacific region.
::Feeding habits
:::These species eat other gastropods including cones.〔
* Subgenus ''Jaspidiconus'' Petuch, 2003
::Shell characters (living and fossil species)
:::The shell is turbinate in shape. The protoconch is paucispiral with 1.5 whorls. The anal notch is deep, and the anterior notch is absent. The early whorls are not nodulose but may be ornamented by an undulating carina. Later whorls may be ornamented with nodules. Cords are absent on the whorls. The periostracum is smooth, and the operculum is small.
::Radular tooth (not known for fossil species)
:::The anterior sections of the radular tooth is shorter than the posterior section, and the blade is short. A posterior fold is present, and the posterior blade is absent. A basal spur is present, and the barb is short. A shaft fold is present and is blunt at its anterior end.
::Geographical distribution
:::These species are found in the West Atlantic region.
::Feeding habits
:::These species are vermivorous, meaning that they prey on polychaete worms.〔

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