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First record of the taxon Echinopsyllus (Copepoda, Harpacticoida, Ancorabolidae) from the deep sea of Campos Basin, Brazil, with the description of three new species and their contribution to phylogenetic analysis
Wandeness, A.P.; George, K.H.; Santos, P.J.P. (2009). First record of the taxon Echinopsyllus (Copepoda, Harpacticoida, Ancorabolidae) from the deep sea of Campos Basin, Brazil, with the description of three new species and their contribution to phylogenetic analysis. Zool. J. Linn. Soc. 156(1): 52-78
In: Zoological Journal of the Linnean Society. Academic Press: London. ISSN 0024-4082, more
Peer reviewed article

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Keywords
    Taxonomy; Ancorabolinae Sars G.O., 1909 [WoRMS]; Crustacea [WoRMS]; AS, South Atlantic [gazetteer]; Marine

Authors  Top 
  • Wandeness, A.P.
  • George, K.H., more
  • Santos, P.J.P., more

Abstract
    New species assignable to the formerly monotypic genus Echinopsyllus (Copepoda, Harpacticoida, Ancorabolidae) are described from the continental slope of Campos Basin off Brazil in the south-western Atlantic. Echinopsyllus brasiliensis sp. nov., Echinopsyllus nogueirae sp. nov., and Echinopsyllus grohmannae sp. nov. differ from Echinopsyllus normani Sars, 1909 in the cephalothorax having two instead of three pairs of lateral processes, first pair of dorsal cephalothoracic processes being smaller than second pair, second pair of dorsal cephalothoracic processes branched, and segmentation and setation of the swimming legs. The discovery of new species of Echinopsyllus extends the distributional range of the genus to the southern hemisphere and is further evidence for the formerly unexpected wide genus-level distribution of Ancorabolidae in the world's oceans. The phylogenetic position of Echinopsyllus within Ancorabolinae is discussed.

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