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vol.22 issue4Mammals of the municipality of Fênix, Paraná, Brazil: ethnozoology and conservationSeasonal and daily patterns of group size, cohesion and activity of the estuarine dolphin, Sotalia guianensis (P.J. van Bénéden) (Cetacea, Delphinidae), in southern Brazil author indexsubject indexarticles search
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Revista Brasileira de Zoologia

Print version ISSN 0101-8175


VOLKMER-RIBEIRO, Cecília  and  PAROLIN, Mauro. Second register of Sterrastrolepis brasiliensis Volkmer-Ribeiro & De Rosa-Barbosa (Demospongiae, Potamolepidae) with description of the habitat and of assembly, Paraná Basin, Brazil. Rev. Bras. Zool. [online]. 2005, vol.22, n.4, pp.1003-1013. ISSN 0101-8175.

The recent discovery of Sterrastrolepis brasiliensis Volkmer-Ribeiro & De Rosa-Barbosa, 1978, a brazilian endangered freshwater sponge, at the rocky bottom of River Piquiri, Paraná Basin, Brazil, enhanced the photographing of living specimens, the improving of SEM illustration and description for some characteristics, the description of the habitat and the register of an sponge assembly composed by S. brasiliensis, Oncosclera navicella (Carter, l881) and Oncosclera tonolli (Bonetto & Ezcurra de Drago, 1968). Oncosclera tonolli has its first register for Brazilian waters and for the Parana Basin. Gemmules of O. navicella are also SEM illustrated.

Keywords : Endangered species; freshwater sponges; rocky bottom; South America.

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