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    Astrocoryne cabela, gen. nov. et sp. nov. (Hydrozoa : Sphaerocorynidae), a new sponge-associated hydrozoan

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    Type
    Article
    Authors
    Maggioni, Davide
    Galli, Paolo
    Berumen, Michael L. cc
    Arrigoni, Roberto
    Seveso, Davide
    Montano, Simone
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Marine Science Program
    Red Sea Research Center (RSRC)
    Date
    2017-11-16
    Online Publication Date
    2017-11-16
    Print Publication Date
    2017
    Permanent link to this record
    http://hdl.handle.net/10754/626210
    
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    Abstract
    The family Sphaerocorynidae includes two valid genera and five species, most of which have a confusing taxonomic history. Here, a new genus and species, Astrocoryne cabela, gen. et sp. nov., is described from the Maldives and the Red Sea, based on both morphological and molecular evidence. Astrocoryne cabela has an apomorphy represented by the type of tentacles, here named ‘dicapitate’, and consisting of capitate tentacles with a proximal capitulum-like cluster of nematocysts. Molecular analyses confirmed the monophyly of this species, as well as its belonging to the Sphaerocorynidae, together with Sphaerocoryne spp. and Heterocoryne caribbensis Wedler & Larson, 1986, for which we present molecular data for the first time. Moreover, the high divergence of A. cabela from other species of the family justifies the establishment of a new genus. Interestingly, specimens from the Maldives and the Red Sea showed marked morphological variation in the polyp stage, although only a slight genetic divergence was detected. This study highlights that a comprehensive morpho-molecular assessment of Sphaerocorynidae is strongly needed in order to clarify the taxonomic issues and the diversity of this taxon.
    Citation
    Maggioni D, Galli P, Berumen ML, Arrigoni R, Seveso D, et al. (2017) Astrocoryne cabela, gen. nov. et sp. nov. (Hydrozoa : Sphaerocorynidae), a new sponge-associated hydrozoan. Invertebrate Systematics 31: 734. Available: http://dx.doi.org/10.1071/is16091.
    Publisher
    CSIRO Publishing
    Journal
    Invertebrate Systematics
    DOI
    10.1071/is16091
    Additional Links
    http://www.publish.csiro.au/is/IS16091
    ae974a485f413a2113503eed53cd6c53
    10.1071/is16091
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Red Sea Research Center (RSRC); Marine Science Program

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