Cylinder (gastropod)

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Cylinder
Conus textile archiepiscopus 001.jpg
Apertural view of shell of Cylinder textile (Linnaeus, 1758) form archiepiscopus, which: synonym of Conus textile Linnaeus, 1758
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily:
Conoidea
Family:
Conidae
Subfamily:
Coninae
Subgenus:
Cylinder

Montfort, 1810
Type species
Conus textileLinnaeus, 1758
Synonyms

Conus (Cylinder)Montfort, 1810 accepted, alternate reoresentation of Conus Linnaeus, 1758

Contents

Cylinder is a subgenus of sea snails, marine gastropod mollusks in the genus Conus, in the family Conidae, the cone snails and their allies. [1]

In the new classification of the family Conidae by Puillandre N., Duda T.F., Meyer C., Olivera B.M. & Bouchet P. (2015), Cylinder has become a subgenus of Conus: Conus (Cylinder)Petuch & Sargent, 2012 represented as Conus Thiele, 1929. [2] The same study found Cylinder to be polyphyletic, but morphologically consistent, possibly corresponding to grades. Conus ammiralis, Conus canonicus and Conus dalli cluster with the type species Conus textile, the others form a separate clade.

Distinguishing characteristics

The Tucker & Tenorio 2009 taxonomy distinguishes Cylinder from Conus in the following ways: [3]

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. [3]
Shell characters (living and fossil species)
The shell is ovate to elongated in shape. The protoconch is multispiral, the spire is conical to convex in shape. The anal notch is deep. The shell is conspicuously ornamented with rows of tents or textile bars. The periostracum is smooth, and the operculum is small.
Radular tooth (not known for fossil species)
The anterior section of the radula is substantially more elongated than the posterior section. The waist is not obvious. A basal spur is absent, and the barb is short. The blade and a terminating cusp are present.
Geographical distribution
All but one species in this genus are found in the Indo-Pacific region; Cylinder dalli is found in the Eastern Pacific region.
Feeding habits
These species are molluscivorous (meaning that they prey on other mollusks). [3]

Species list

This list of species is based on the information in the World Register of Marine Species (WoRMS) list. Species within the genus Cylinder include: [1]

Related Research Articles

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References

  1. 1 2 Cylinder Montfort, 1810 . Retrieved through: World Register of Marine Species  on 06/23/11.
  2. ↑ 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
  3. 1 2 3 Tucker J.K. & Tenorio M.J. (2009), Systematic Classification of Recent and Fossil Conoidean Gastropods, ConchBooks, Hankenheim, Germany, 295 pp.

Further reading

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