Hexaplex duplex

Hexaplex duplex
	Shell of Hexaplex duplex Röding, 1798, with operculum, measuring 93.5 mm in height, from off the mouth of the Joel River, in Senegal, Africa.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Muricidae
Genus:	Hexaplex
Species:	H. duplex
Binomial name
	Hexaplex duplex; Röding, 1798
Synonyms
	Hexaplex (Trunculariopsis) duplex (Röding, 1798) · accepted, alternate representation; Hexaplex (Trunculariopsis) duplex canariensis (Nordsieck, 1975); Hexaplex (Trunculariopsis) duplex duplex (Röding, 1798); Hexaplex turbinatus (Lamarck, 1822); Murex eurystomus Swainson, 1833; Murex hoplites P. Fischer, 1876; Murex minima Dautzenberg, 1910; Murex saxatilis Linnaeus (auctt.); Murex turbinatus Lamarck, 1822; Phyllonotus duplex (Röding, 1798); Purpura duplex Röding, 1798 (original combination); Trunculariopsis canariensis Nordsieck, 1975; Trunculariopsis trunculus canariensis F. Nordsieck, 1975;

Hexaplex duplex is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.^[1]

Subspecies

Both subspecies are now considered synonyms of Hexaplex duplex.

Hexaplex duplex duplex (Röding, 1798) – synonyms:^[2] Murex eurystomus Swainson, 1833; Murex hoplites Fischer, 1876; Murex minima Dautzenberg, 1910; Murex saxatilis Linnaeus (auctt.); Purpura duplex Röding, 1798
Hexaplex duplex canariensis (Nordsieck, 1975) – synonyms:^[3] Murex turbinatus Lamarck, 1822; Trunculariopsis canariensis Nordsieck, 1975

Description

The length of the shell varies between 30 and 229 millimetres (1.2 and 9.0 in). It contains six to eight varices. These are singly spinous, the spines somewhat frondose, those on the shoulder of the whorls usually larger and curved. There are no interstitial ribs. The color of the shell is light yellowish brown, usually more or less pink-banded. The aperture is pink, with three or four darker bands.^[4]

Distribution

This species occurs in the Red Sea and in the Atlantic Ocean off the Cape Verdes and the Canary Islands; and from Senegal to Angola. It has also been described as Murex turbinatus from the Mediterranean Sea.

References

^ Hexaplex duplex Röding, 1798. Retrieved through: World Register of Marine Species on 15 December 2018.
^ Houart, R. (2009). Hexaplex (Trunculariopsis) duplex duplex (Röding, 1798). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=406152 on 18 May 2010
^ Houart, R. (2009). Hexaplex (Trunculariopsis) duplex canariensis (Nordsieck, 1975). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=406154 on 18 May 2010
^ G.W. Tryon (1880) Manual of Conchology II, Academy of Natural Sciences, Philadelphia (described as Murex saxatilis)

Fischer, P., 1876. - Description d'espèces nouvelles d'Afrique occidentale. Journal de Conchyliologie 24: 236-240
Merle D., Garrigues B. & Pointier J.-P. (2011) Fossil and Recent Muricidae of the world. Part Muricinae. Hackenheim: Conchbooks. 648 pp.

External links

Lamarck [J.-B. M.] de (1815–1822). Histoire naturelle des animaux sans vertèbres. Paris: 7 volumes. Vol. 1 [Introduction]: Verdière, i–xvi, 1–462 [March 1815]; Vol. 2 [les Polypes, les Radiaires]: Verdière, 1–568 [March 1816]; Vol. 3 [suite des Radiaires; les Tuniciers; les Vers]: Verdière, 1–586 [August, 1816]; Vol. 4: Deterville/Verdière, 1–603 [April 1817]; Vol. 5 [les Arachnides; les Crustacés; les Annélides; les Cirrhipèdes; les Conchiferes]: Paris, Deterville/Verdière, 1–612 [25 July 1818]; Vol. 6(1) [suite des Conchifères; Les Mollusques]: published by the Author, i–vi, 1–343 [June 1819]; Vol. 6(2) (suite): published by the Author, 1–232 [April 1822]; Vol. 7 (suite): published by the Author, 1–711. [August 1822]

External links

"Hexaplex (Trunculariopsis) duplex". Gastropods.com. Retrieved 16 January 2019.

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[WoRMS-1] Hexaplex duplex Röding, 1798. Retrieved through: World Register of Marine Species on 15 December 2018.

[2] Houart, R. (2009). Hexaplex (Trunculariopsis) duplex duplex (Röding, 1798). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=406152 on 18 May 2010

[3] Houart, R. (2009). Hexaplex (Trunculariopsis) duplex canariensis (Nordsieck, 1975). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=406154 on 18 May 2010

[4] G.W. Tryon (1880) Manual of Conchology II, Academy of Natural Sciences, Philadelphia (described as Murex saxatilis)

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