Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 221
Specimens with Sequences: 213
Specimens with Barcodes: 205
Species: 20
Species With Barcodes: 17
Public Records: 177
Public Species: 11
Public BINs: 43
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Wikipedia

Olive snail

Olive snails, also known as olive shells and olives, scientific name Olividae, are a taxonomic family of medium to large predatory sea snails with smooth, shiny, elongated oval-shaped shells. [1]

The shells often show various muted but attractive colors, and may be patterned also. They are marine gastropod molluscs in the family Olividae within the main clade Neogastropoda.

Also see the Olivellidae, the dwarf olives, which were previously grouped within this family, but which now have their own family.

Taxonomy[edit]

According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005) the family Olividae consists of three subfamilies:

Distribution[edit]

Olive snails are found worldwide, in subtropical and tropical seas and oceans.

Habitat[edit]

These snails are found on sandy substrates intertidally and subtidally.

Life habits[edit]

The olive snails are all carnivorous sand-burrowers. They feed mostly on bivalves and carrion and are known as some of the fastest burrowers among snails. They secrete a mucus similar to that of the Muricidae, from which a purple dye can be made.

Shell description[edit]

Physically the shells are oval and cylindrical in shape. They have a well-developed stepped spire. Olive shells have a siphonal notch at the posterior end of the long narrow aperture. The siphon of the living animal protrudes from the siphon notch.

The shell surface is extremely glossy because in life the mantle almost always covers the shell.[2][3]

The fossil record[edit]

Olive shells first appeared during the Campanian.[4]

Human use[edit]

Olive shells are popular with shell collectors, and are also often made into jewelry and other decorative items.

The shell of the lettered olive, Oliva sayana, is the state shell of South Carolina in the United States.

Genera[edit]

Genera within the family Olividae include:

Genera brought into synonymy

See also[edit]

  • Olivella This genus has now been moved to the Olivellidae according to the taxonomy of Bouchet & Rocroi.

References[edit]

  1. ^ Bouchet, P.; Gofas, S. (2012). Olividae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=23082 on 2012-06-11
  2. ^ Washington State University Tri-Cities Natural History Museum (2001). Family: Olividae (Olive Shells). Retrieved on 12 July 2006.
  3. ^ Vermeij, Geerat J (3 April 1995). A Natural History of Shells. Princeton University Press. ISBN 0-691-00167-7. pps. 89, 100, 114.
  4. ^ Vermeij, Geerat J (1 September 1993). Evolution and Escalation. Princeton University Press. ISBN 0-691-00080-8. p.182.

Further reading[edit]

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