Biology:Cylinder (gastropod)

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Short description: Subgenus of gastropods


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 textile Linnaeus, 1758
Synonyms

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

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]

  • Genus Conus 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.[3]
  • Subgenus Cylinder Montfort, 1810
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]

  • Cylinder abbas (Hwass in Bruguière, 1792): synonym of Conus abbas Hwass in Bruguière, 1792
  • Cylinder ammiralis Linnaeus, 1758: synonym of Conus (Cylinder) ammiralis Linnaeus, 1758, represented as Conus ammiralis Linnaeus, 1758
  • Cylinder aureus (Hwass in Bruguière, 1792): synonym of Conus aureus Hwass in Bruguière, 1792
  • Cylinder barbieri (G. Raybaudi Massilia, 1995): synonym of Conus barbieri G. Raybaudi Massilia, 1995
  • Cylinder bengalensis (Okutani, 1968): synonym of Conus bengalensis (Okutani, 1968)
  • Cylinder biancae (Bozzetti, 2010): synonym of Conus biancae Bozzetti, 2010
  • Cylinder canonicus (Hwass in Bruguière, 1792): synonym of Conus canonicus Hwass in Bruguière, 1792
  • Cylinder dalli (Stearns, 1873): synonym of Conus dalli Stearns, 1873
  • Cylinder dondani (Kosuge, 1981): synonym of Conus dondani Kosuge, 1981
  • Cylinder erythrostoma (Meuschen, 1787): synonym of Miniaceoliva miniacea (Röding, 1798)
  • Cylinder gloriamaris (Chemnitz, 1777): synonym of Conus gloriamaris Chemnitz, 1777
  • Cylinder glorioceanus (Poppe & Tagaro, 2009): synonym of Conus glorioceanus Poppe & Tagaro, 2009
  • Cylinder legatus (Lamarck, 1810): synonym of Conus legatus Lamarck, 1810
  • Cylinder nodulosus (G.B. Sowerby II, 1864): synonym of Conus nodulosus G.B. Sowerby II, 1864
  • Cylinder pacificus (Moolenbeek & Röckel, 1996): synonym of Conus pacificus Moolenbeek & Röckel, 1996
  • Cylinder paulucciae (G. B. Sowerby III, 1887): synonym of Cylinder aureus paulucciae (G. B. Sowerby III, 1887) represented as Conus aureus paulucciae G. B. Sowerby III, 1887
  • Cylinder priscai Bozzetti, 2012: synonym of Conus (Cylinder) priscai Bozzetti, 2012 represented as Conus priscai (Bozzetti, 2012)
  • Cylinder retifer (Menke, 1829): synonym of Conus retifer Menke, 1829
  • Cylinder scottjordani (Poppe, Monnier & Tagaro, 2012): synonym of Conus (Cylinder) scottjordani (Poppe, Monnier & Tagaro, 2012) represented as Conus scottjordani (Poppe, Monnier & Tagaro, 2012)
  • Cylinder tagaroae Limpalaër & Monnier, 2013: synonym of Conus (Cylinder) tagaroae (Limpalaër & Monnier, 2013) represented as Conus tagaroae (Limpalaër & Monnier, 2013)
  • Cylinder telatus (Reeve, 1848): synonym of Conus telatus Reeve, 1848
  • Cylinder textile (Linnaeus, 1758): synonym of Conus textile Linnaeus, 1758
  • Cylinder victoriae (Reeve, 1843): synonym of Conus victoriae Reeve, 1843

References

  1. ↑ 1.0 1.1 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. ↑ 3.0 3.1 3.2 Tucker J.K. & Tenorio M.J. (2009), Systematic Classification of Recent and Fossil Conoidean Gastropods, ConchBooks, Hankenheim, Germany, 295 pp.

Further reading

  • Kohn A. A. (1992). "Chronological Taxonomy of Conus, 1758-1840". Smithsonian Institution Press, Washington and London.
  • Monteiro A. (ed.) (2007). The Cone Collector 1: 1-28.
  • Berschauer D. (2010). Technology and the Fall of the Mono-Generic Family The Cone Collector 15: pp. 51-54
  • Puillandre N., Meyer C.P., Bouchet P., and Olivera B.M. (2011), Genetic divergence and geographical variation in the deep-water Conus orbignyi complex (Mollusca: Conoidea), Zoologica Scripta 40(4) 350-363.

External links

Wikidata ☰ Q5199261 entry



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