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Re-evaluation of Graneledone setebos (Cephalopoda: Octopodidae) and allocation to the genus Megaleledone
Allcock, A.L.; Hochberg, F.G.; Stranks, T.N. (2003). Re-evaluation of Graneledone setebos (Cephalopoda: Octopodidae) and allocation to the genus Megaleledone. J. Mar. Biol. Ass. U.K. 83(2): 319-328
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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Keywords
    Species; Cephalopoda [WoRMS]; Megaleledone setebos (Robson, 1932) [WoRMS]; Megaleledone Iw. Taki, 1961 [WoRMS]; Octopodidae d'Orbigny, 1840 [WoRMS]; PSE, Antarctic Ocean [Marine Regions]; Marine

Authors  Top 
  • Allcock, A.L.
  • Hochberg, F.G.
  • Stranks, T.N.

Abstract
    The holotype of the Antarctic octopodid Graneledone setebos was re-examined and found to lack the epidermal warts characteristic of the genus Graneledone. It is similar in its large size to another Southern Ocean species, Megaleledone senoi. A comparative study of G. setebos and specimens attributed to M. senoi led us to conclude that M. senoi is a junior synonym of G. setebos. Although M. senoi is not valid, the genus Megaleledone can be separated from other genera by the structure of the radula (which lacks marginal plates) and we therefore consider the genus to be valid. We propose the new combination of Megaleledone setebos and have refigured the beaks and radula of the holotype herein and expanded the description. A search of museum specimens and the literature shows that Megaleledone setebos is more common in Antarctic waters than previously supposed.

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