Tavares-Frigo, M.d.C.; Volkmer-Ribeiro, C.; Oliveira, A.E.Z.d.; Machado, V.d.S. (2015). Freshwater sponges from the Pampa Biome, Brazil, with description of a new species of Oncosclera. Neotropical Biology and Conservation. 10(3): 110-122.

434398

10.4013/nbc.2015.103.01 [view]

Tavares-Frigo, M.d.C.; Volkmer-Ribeiro, C.; Oliveira, A.E.Z.d.; Machado, V.d.S.

2015

10(3): 110-122

Publication

http://zoobank.org/urn:lsid:zoobank.org:pub:5B2DB2C1- A705-4EAE-BC6C-8B48EC6A0CA1

Available for editors   [request]

The Environmental Protection Area of Ibirapuitã embodies the upper portion of the Ibirapuitã River, which drains a representative part of the Pampa Biome in Brazil. A survey for the sponge fauna in this region was needed in view of the few registers available and none for this protected area. Following that purpose, three expeditions were carried on in 2011, four in 2012 and one in 2013, along four stations in the Ibirabuitã River and one in Sarandizinho its contributing brook. Sampling was done crossing the river/brook rocky bottoms by foot and sampling the sponges manually. The study indicated the occurrence of a new species of the genus Oncosclera Volkmer-Ribeiro, O. rosariae n. sp., besides O. navicella and O. schubarti (Potamolepidae), and Heteromeyenia insignis, Corvoheteromeyenia australis and Corvospongilla seckti (Spongillidae). The surveyed assemblage is representative of stony shallow lotic environments subjected to remarkable high levels and low temperatures of the waters in the winter. The results disclosed the existence of five unique sponge assemblages of lotic environments for the whole Pampa Biome. A key to the sponge species occurring at the Environmental Protection Area of Ibirapuitã is presented.

Brazil

Freshwater
Systematics, Taxonomy

Porifera

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