Turban shell

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Turbinidae
Shells of Angaria delphinus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Vetigastropoda
Superfamily: Turbinoidea
Family: Turbinidae
Rafinesque, 1815
Genera and species

See text.

Turbinidae, common name the turban snails, are a taxonomic family of small to large sea snails, marine gastropod molluscs in the clade Vetigastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Contents

Taxonomy

Previously these snails were classified in the subclass Prosobranchia, in the order Archaeogastropoda in the superfamily Trochacea. Trochaecea is now a synonym for the superfamily Trochoidea.

Description

In life, all the snails in this family have a strong, thick calcareous operculum, or "door" to their shell. This readily distinguishes them from the Trochidae or top snails, which have a corneous operculum, but which are otherwise somewhat similar.

The common name "turban snail" is a reference to the wrapped cloth headgear known as a turban. This is potentially a little misleading, as the Latin name Turbinidae does not mean turban shells, but instead is based on the genus name Turbo, which is the Latin word for a spinning top, a child's toy. For a similar derivation see the word turbine.

Genera

Genera in the Turbinidae family include12:

The shell of a Guilfordia species, probably Guilfordia yoka, a deep water turbinid

References

Wikipedia content modification information:

  • This page was last modified on 22 November 2008, at 12:20.

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