Hexaplex

Hexaplex is a genus of medium-sized to large sea snails, marine gastropod mollusks in the family Muricidae, the murex shells or rock snails.[1]

Hexaplex
Temporal range: Paleocene - Recent
Two views of a shell of Hexaplex cichoreum
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily:
Muricoidea
Family:
Muricidae
Subfamily:
Muricinae
Genus:
Hexaplex

Perry, 1811
Type species
Hexaplex cichoreum (Gmelin, 1791)
Synonyms[1]
  • Aaronia A. H. Verrill, 1950
  • Bassia Jousseaume, 1880
  • Bassiella Wenz, 1941
  • Centronotus Swainson, 1833 (invalid: junior homonym of Centronotus Schneider, 1801 [Pisces])
  • Hexaplex (Hexaplex) Perry, 1810
  • Hexaplex (Muricanthus) Swainson, 1840
  • Hexaplex (Trunculariopsis) Cossmann, 1921
  • Murex (Muricanthus) Swainson, 1840
  • Muricanthus Swainson, 1840
  • Murithais Grant & Gale, 1931 (invalid: junior objective synonym of Trunculariopsis Cossmann, 1921)
  • Purpura Röding, 1798 (invalid: junior homonym of Purpura Bruguière, 1789)
  • Truncularia Monterosato, 1917 (invalid: junior homonym of Truncularia Wiegmann, 1832 [Bryozoa]; Trunculariopsis is a replacement name)

This genus is known in the fossil record from the Paleocene to the Quaternary period (age range: from 61.7 to 0.012 million years ago.). Fossil shells within this genus have been found all over the world.[2]

Description

This genus includes shells in the family Muricidae that are solid and globose. They contain five to eight varices that are more or less foliaceous.

Species

Species within the genus Hexaplex include :[1]

Extinct species

Extinct species within the genus Hexaplex include:[2]

  • †Hexaplex (Hexaplex) colei Palmer 1937
  • †Hexaplex (Hexaplex) engonatus Conrad 1833
  • †Hexaplex (Hexaplex) etheringtoni Vokes 1968
  • †Hexaplex (Hexaplex) katherinae Vokes 1968
  • †Hexaplex (Hexaplex) marksi Harris 1894
  • †Hexaplex (Hexaplex) silvaticus Palmer 1937
  • †Hexaplex (Hexaplex) supernus Palmer 1947
  • †Hexaplex (Hexaplex) texanus Vokes 1968
  • †Hexaplex (Hexaplex) vanuxemi Conrad 1865
  • †Hexaplex (Hexaplex) veatchi Maury 1910
  • †Hexaplex (Trunculariopsis) bourgeoisi Tournouër 1875
  • †Hexaplex (Trunculariopsis) brevicanthos Sismonda 1847
  • †Hexaplex (Trunculariopsis) campanii De Stefani and Pantanelli 1878
  • †Hexaplex (Trunculariopsis) rudis Borson 1821
  • †Hexaplex hertweckorum Petuch 1988
Fossil shell of Hexaplex trunculus

References
  1. Houart, R.; Gofas, S. (2010). Hexaplex Perry, 1810. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138194 on 2010-11-01
  2. Fossilworks

Further reading
  • Radwin G. E. & D'Attilio A. (1986) Murex shells of the world. An illustrated guide to the Muricidae. Stanford Univ. Press, Stanford, x + pp. 1–284 incl 192 figs. + 32 pls.
  • Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
  • Merle D., Garrigues B. & Pointier J.-P. (2011) Fossil and Recent Muricidae of the world. Part Muricinae. Hackenheim: Conchbooks. 648 pp.


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