Turbinidae

Turbinidae
Three views of a shell of Turbo cornutus with the operculum in place
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Superfamily: Trochoidea
Family: Turbinidae
Rafinesque, 1815
Genera and species

See text

Turbinidae, the turban snails, are a family of small to large marine gastropod molluscs in the superfamily Trochoidea. [1]

Description

Turbinidae have a strong, thick calcareous operculum readily distinguishing them from the somewhat similar Trochidae or top snails, which have a corneous operculum. This strong operculum serves as a passive defensive structure against predators that try to enter by way of the aperture or that would break the shell at the outer lip.

Etymology

The common name turban snail presumably refers to the shell's similarity in appearance to a turban. However, the scientific name Turbinidae is based on the genus name Turbo, which is Latin for spinning top, a child's toy. The word turbine has a similar derivation.

Taxonomy

Previously they were classified in the subclass Prosobranchia, in the order Archaeogastropoda in the superfamily Trochacea. Trochaecea is now a synonym for the superfamily Trochoidea. However, this is a quite ancient group of gastropods, probably originating in the Permian period 298 to 250 million years ago.[2] They have typical primitive characters like the nacreous interior of the shell.

2005 taxonomy

Turbinidae belongs to superfamily Turbinoidea according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

This family consists of eight following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):

2008 taxonomy

Astraea rugosa (Linnaeus, 1767), a fossil turbinid from the Pliocene of Cyprus.

Turbinidae was redefined and moved to the redefined superfamily Trochoidea according to Williams et al. (2008):[4] Angariidae was elevated to family level, Colloniinae was elevated to family Colloniidae within Phasianelloidea,[4] Margaritinae was moved to Turbinidae from Trochidae.[4]

This family consists of five following subfamilies according to Williams et al. (2008):[4]

The following subfamilies (sensu Bouchet & Rocroi (2005) classification of subfamilies in Turbinidae) were kept in Turbinidae :

Distribution

The family Turbinidae, as defined by Williams et al. (2008):,[4] consist of clades, occurring in shallow and deep water. The family has a large distribution, from the tropics to the polar regions, but most of the species live in tropical and subtropical shallow waters.

Genera

The shell of Guildfordia yoka, a deep water turbinid

Genera in the Turbinidae family include:

Not belonging to any subfamily
Turbininae[6]
Prisogasterinae Hickman & McLean, 1990
Genera brought into synonymy

References

  1. Bouchet, P. (2014). Turbinidae Rafinesque, 1815. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=503 on 2014-07-28
  2. Alf A., Kreipl K. & Poppe G. T. (2003) The Family Turbinidae, Subfamily Turbininae, Genus Turbo. In: Poppe G. T. & Groh K. (eds.): A Conchological Iconography: 68 pp., 95 colour plates, ConchBooks, Hackenheim, ISBN 3-925919-27-9.
  3. 1 2 Gofas, S. (2009). Prisogasterinae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=382193 on 2010-04-19
  4. 1 2 3 4 5 6 Williams S. T., Karube S. & Ozawa T. (September 2008) "Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined". Zoologica Scripta 37(5): 483-506. doi:10.1111/j.1463-6409.2008.00341.x
  5. Search for Moelleria, National Center for Biotechnology Information, accessed 19 April 2010.
  6. Gofas, S. (2009). Turbininae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225151 on 2010-04-19
  7. Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamilies Turbininae Rafinesque, 1815 and Prisogasterinae Hickman & McLean, 1990. In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. pp. 1-82, pls 104-245.
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