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

''Miliariconus'' is a proposed genus of sea snails, marine gastropod mollusks in the family Conidae, the cone snails and their allies.〔Bouchet, P. (2011). ''Miliariconus'' Tucker & Tenorio, 2009. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=578292 on 2011-08-07〕 This genus currently (November 2011) is still treated by some experts as an "alternative representation" of this group of species.
When the "alternative representations" are not used, this group of species is instead still placed in the Linnaean genus ''Conus''.
==Distinguishing characteristics==
The Tucker & Tenorio 2009 taxonomy distinguishes ''Lividoconus'' from ''Conus'' in the following ways:〔
* 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.〔
* Genus ''Lividoconus'' Wils, 1970
::Shell characters (living and fossil species)
:::The shell is small and conical to turgid in shape, with a domed spire. The protoconch is multispiral. The shell is ornamented with one or more cords on the whorl tops and nodules which persist at least through the middle spire whorls. Internal constrictions may be present. The anal notch is shallow. The periostracum is smooth, and the operculum is moderate in size.
::Radular tooth (not known for fossil species)
:::The anterior section of the radular tooth is shorter in length than the posterior section, and the blade is long and covers most of the length of the anterior section. A basal spur is present, and the barb is short. The radular tooth has serrations and a terminating cusp.
::Geographical distribution
:::The majority of the species in this genus occur in the Indo-Pacific region, and one species occurs in the Eastern-Pacific region..
::Feeding habits
:::These cone snails are vermivorous, meaning that the cones prey on a broad variety of polychaete worms, including eunicid, nereid, capitellid, and nereid worms.〔

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