Gibbula

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Gibbula
Temporal range: Late Cretaceous–Recent
File:Gibbula divaricata.JPG
Five live individuals of Gibbula divaricata from the Mediterranean Sea
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Superfamily: Trochoidea (superfamily)
Family: Trochidae
Genus: Gibbula
Risso, 1826[1]
Type species
Trochus magus Linnaeus, C., 1758
Synonyms[2]
  • Colliculus Monterosato, 1888
  • Forskalena Iredale, 1918
  • Forskalia H. Adams & A. Adams, 1854 (preoccupied by Forskalia Kölliker, 1853 (Hydrozoa))
  • Gibbulastra Monterosato, 1884
  • Korenia Friele, 1877
  • Scrobiculinus Monterosato, 1889
  • Steromphala Gray, 1847
  • Strigosella Sacco, 1896
  • Trochus (Gibbula)

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Gibbula is a genus of small sea snails, marine gastropod molluscs in the family Trochidae, the top snails.[2]

Distribution

The species in this genus occur through all seas, except on the coast of the American continent.

Description

The cyrtoconoid (= approaching a conical shape but with convex sides) shell is usually perforate or umbilicate. The spire is moderately elevated. The whorls are often gibbous or tuberculose beneath the sutures, smooth or spirally ribbed. The last whorl is generally angular at the periphery. The aperture is subrhomboidal. The columella is oblique, dentate or subsinuous at the base. The outer lip is acute. The central tooth and the lateral teeth of the radula have well-developed denticulate cusps.The outer lateral teeth are wider.[3]

Species

Species within the genus Gibbula include.[4][5][6]

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File:Monodonta Pliocene Cyprus.jpg
Fossil Gibbula sp. from the Pliocene of Cyprus. Note small predation scars.
Species brought into synonymy
Nomen dubium
  • Gibbula rosea (Gmelin, 1791)

References

  1. Risso A. (1826). H.N. Europe 4: 134.
  2. 2.0 2.1 Bouchet, P.; Gofas, S. (2011). Gibbula Risso, 1826. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138590 on 2011-04-02
  3. G.W. Tryon (1889) Manual of Conchology XI p. 12
  4. MarLIN: The Marine Life Information Network for Britain & Ireland
  5. gastropods.com
  6. The Paleobiology Database: Gibbula
  7. George Washington Tryon, Structural and systematic conchology: an introduction to the study of the Mollusca, p. 219; 1882
  8. Gastropods.com: Gibbula (Gibbula) aurantia
  9. Gastropods.com: Gibbula fulgens

External links