Hexaplex duplex

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

Subspecies
Both subspecies are now considered synonyms of Hexaplex duplex.
 * Hexaplex duplex duplex (Röding, 1798) – synonyms: 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: Murex turbinatus Lamarck, 1822; Trunculariopsis canariensis Nordsieck, 1975

Description
The length of the shell varies between 30 and 229 mm. 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.

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.