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Volutidae

(Redirected from Amoriinae)

Volutidae, common name volutes, are a taxonomic family of predatory sea snails that range in size from 9 mm to over 500 mm. They are marine gastropod mollusks. Most of the species have no operculum.

Volutidae
Temporal range: Cretaceous to Recent
A live individual of the Hebrew volute Voluta ebraea in its natural habitat
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Volutoidea
Family: Volutidae
Rafinesque, 1815
Subfamilies

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Apertural view of a shell of Scaphella junonia

Distribution

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This family of sea snails are found mainly in tropical seas, though some species also inhabit the waters of the polar circles.

Description

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The large head has the eyes sessile on the sides below the base of the tentacles. The tentacles are far apart, united by a broad veil over the head. The mantle is sometimes greatly developed, covering the sides of the shell. The siphon is recurved, short, with auricles on each side of the base. The foot is very large, partly hiding the shell. There is no operculum.[1]

The shell shows distinct plaits on the columella. The apex of the spire is mamillated. The shells have an elongated aperture in their first whorl and an inner lip characterised by a number of deep plaits.

The family of Volutidae comprises a suite of large shells remarkable for their great beauty and elegance of form. The shell of species such as Melo amphora can grow as large as 50 cm (19.7 inches) in length.[2]

Volutes are distinguished by their distinctively marked spiral shells (to which the family name refers, voluta meaning "scroll" in Latin).

The elaborate decorations of the shells has made them a popular collectors' item, with the imperial volute (Voluta imperialis) of the Philippines being particularly prized.

Taxonomy

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Subfamilies and tribes

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According to Bail & Poppe (2001)[3] Volutidae can be subdivided into the following Subfamilies and tribes:

Genera

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Genera within the Volutidae include:

 
Livonia mammilla (Sowerby, 1844), museum specimen.
 
Two views of a shell of Scaphella lamberti, and in the center, a cut-down shell showing the folds on the columella

References

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  1. ^ Adams, H. & Adams, A. (1853-1858). The genera of Recent Mollusca; arranged according to their organization. London, van Voorst. Vol. 1: xl + 484 pp.; vol. 2: 661 pp.; vol. 3: 138 pls
  2. ^ Poutiers, J. M. (1998). Gastropods in: FAO Species Identification Guide for Fishery Purposes: The living marine resources of the Western Central Pacific Volume 1. Seaweeds, corals, bivalves and gastropods. Rome, FAO, 1998. page 597.
  3. ^ Bail, P. & Poppe, G. T. (2001). A taxonomic introduction to the recent Volutidae. In: Poppe, G. T. & Groh, K.: A Conchological Iconography. 30 pp., 5 plts. ConchBooks, Hackenheim, ISBN 3-925919-47-3.
  4. ^ Bail, P., Limpus, A. & Poppe, G. T. (2001): The Genus Amoria. In: Poppe, G. T. & Groh, K.: A Conchological Iconography. 50 pp., 93 plts. ConchBooks, Hackenheim, ISBN 3-925919-46-5.
  5. ^ Bail, P., Chino, M. & Terryn, Y. (2010). The Family Volutidae. The endemic Far East Asian subfamily Fulgorariinae Pilsbry & Olsson, 1954. A revision of the recent species. In: Poppe, G. T. & Groh, K.: A Conchological Iconography. 74 pp., 64 plts. ConchBooks, Hackenheim, ISBN 978-3-939767-31-2.
  • ITIS
  • "Volute." Encyclopædia Britannica, 2006.
  • Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  • Merle & Pacaud & Marivaux, 2014 <ref>Merle & Pacaud & Marivaux, Volutidae (Mollusca: Gastropoda) of the Lakhra Formation (Earliest Eocene, Sindh, Pakistan): systematics, biostratigraphy and paleobiogeography; Zootaxa, 3826 (1) : 101–138, fig. 1-12. , 2014
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