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A new species of Eualus Thallwitz, 1891 and new record of Lebbeus antarcticus (Hale, 1941) (Crustacea: Decapoda: Caridea: Hippolytidae) from the Scotia Sea

Record type: Article

Eleven specimens representing two hippolytid genera, Eualus Thallwitz, 1891 and Lebbeus White, 1847, were sampled recently from the Scotia Sea (1517-2598 m). Seven specimens are described and illustrated as Eualus amandae sp. nov., and its morphology is compared with those of previously described species. Four female specimens, morphologically consistent with Lebbeus antarcticus (Hale, 1941), are described and illustrated to supplement previous descriptions of this rarely collected bathyal species. Partial COI mtDNA and 18S rDNA sequences were generated for both species. Only limited DNA sequences are available for species of Hippolytidae and the COI trees presented are used to illustrate that the new species is genetically distinct from other species for which COI sequences are available. The presence of fixed and unique mutations in the COI sequences of the new species indicates that they are genetically distinct from all other species in GenBank. This record enhances existing knowledge of Antarctic invertebrate biodiversity and species richness of decapod crustaceans in the Southern Ocean.

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Citation

Nye, Verity, Copley, Jon and Linse, Katrin (2013) A new species of Eualus Thallwitz, 1891 and new record of Lebbeus antarcticus (Hale, 1941) (Crustacea: Decapoda: Caridea: Hippolytidae) from the Scotia Sea Deep Sea Research Part II: Topical Studies in Oceanography, 92, pp. 145-156. (doi:10.1016/j.dsr2.2013.01.022).

More information

Accepted/In Press date: 25 January 2013
Published date: August 2013
Keywords: Biodiversity, Deep-Sea, Hydrothermal vents, Southern Ocean, Phylogenetics, Polar
Organisations: Ocean and Earth Science

Identifiers

Local EPrints ID: 350741
URI: http://eprints.soton.ac.uk/id/eprint/350741
ISSN: 0967-0645
PURE UUID: f5f27062-207b-4097-9cc8-94cbf006943a

Catalogue record

Date deposited: 04 Apr 2013 09:31
Last modified: 18 Jul 2017 04:31

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Contributors

Author: Verity Nye
Author: Jon Copley
Author: Katrin Linse

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