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Calcareous sponges of the genera Clathrina and Guancha (Calcinea, Calcarea, Porifera) of Norway (north-east Atlantic) with the description of five new species
Rapp, H.T. (2006). Calcareous sponges of the genera Clathrina and Guancha (Calcinea, Calcarea, Porifera) of Norway (north-east Atlantic) with the description of five new species. Zool. J. Linn. Soc. 147(3): 331-365
In: Zoological Journal of the Linnean Society. Academic Press: London. ISSN 0024-4082, more
Peer reviewed article  

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Keywords
    Biogeography; Dispersal; Plant morphology; Reproduction; Taxonomy; AN, North Atlantic [Marine Regions]; Marine

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  • Rapp, H.T.

Abstract
    The taxonomy and distribution of 11 species of calcareous sponges of the subclass Calcinea from the Norwegian coast are reviewed. The Norwegian Calcinea represents a mixture of southern boreal/boreal and boreoarctic species, and the calcinean sponge fauna of northern Norway has strong similarities to the Greenlandic and the White Sea/Barents Sea sponge faunas. Most Norwegian Calcinea have their main distribution between 20 and 100 m depth, although some species are found only in the shallow sublittoral or from sublittoral to abyssal depths. Six species were previously reported in the area: Clathrina coriacea (Montagu, 1818), Clathrina cribrata Rapp et al., 2001, Clathrina nanseni (Breitfuss, 1896), Clathrina septentrionalis Rapp et al., 2001, Guancha blanca Miklucho-Maclay, 1868 and Guancha lacunosa (Johnston, 1842). Five species are new to science: Clathrina corallicola, Clathrina jorunnae, Guancha arnesenae, Guancha camura, and Guancha pellucida spp. nov. A key to the known Norwegian Calcinea is provided.

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