Recent brachiopods from the southern Brazilian shelf: Palaeontological and biogeographical implications

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dc.contributor.authorSimoes, M. G.
dc.contributor.authorKowalewski, M.
dc.contributor.authorMello, LHC
dc.contributor.authorRodland, D. L.
dc.contributor.authorCarroll, M.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionVirginia Polytech Inst & State Univ
dc.contributor.institutionSo Connecticut State Univ
dc.contributor.institutionUniv Georgia
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T15:24:21Z
dc.date.available2014-05-20T15:24:21Z
dc.date.issued2004-05-01
dc.description.abstractUntil recently, the rhynchonelliform (articulated) brachiopod fauna from the Brazilian continental shelf (western South Atlantic) was represented only by the endemic species Bouchardia rosea (Mawe), reported from coastal waters of the states of São Paulo and Rio de Janeiro. The present study, based on samples from coastal (<30 m), shelf, and continental slope waters (99-485 m), documents the South Atlantic brachiopod fauna and shows that this fauna is more widespread, diverse, and cosmopolitan than previously thought. Based on a total of 16,177 specimens, the following brachiopods have been identified: Bouchardia rosea (Family Bouchardiidae), Platidia anomioides (Family Platidiidae), Argyrotheca cf. cuneata (Family Megathyrididae), and Terebratulina sp. (Family Cancellothyrididae). In coastal settings, the fauna is overwhelmingly dominated by Bouchardia rosea. Rare juvenile (<2 mm) specimens of Argyrotheca cf. cuneata were also found at two shallow-water sites. In shelf settings (100-200 m), the fauna is more diverse and includes Bouchardia rosea, Terebratulina sp., Argyrotheca cf. cuneata, and Platidia anomioides. Notably, Bouchardia rosea was found in waters as deep as 485 m, extending the known bathymetric range of this genus. Also, the record of this brachiopod in waters of the state of Parana is the southernmost known occurrence of this species. The genera Platidia and Terebratulina are documented here for the first time for the western South Atlantic. The Brazilian brachiopod fauna shares similarities with those from the Atlantic and Indian shelves of southern Africa, and from the Antarctic, Caribbean and Mediterranean waters. The present-day brachiopods of the western South Atlantic are much more cosmopolitan than previously thought and their Cenozoic palaeobiogeographic history has to be reconsidered from that perspective.en
dc.description.affiliationUniv Estadual Paulista, Inst Biociencias, BR-18618000 São Paulo, Brazil
dc.description.affiliationVirginia Polytech Inst & State Univ, Dept Geol Sci, Blacksburg, VA 24061 USA
dc.description.affiliationSo Connecticut State Univ, Dept Earth Sci, New Haven, CT 06515 USA
dc.description.affiliationUniv Georgia, Dept Geol, Athens, GA 30602 USA
dc.description.affiliationUniv São Paulo, Inst Geociencias, Programa Posgrad Geol Sedimentar, BR-05508900 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Biociencias, BR-18618000 São Paulo, Brazil
dc.format.extent515-533
dc.identifierhttp://dx.doi.org/10.1111/j.0031-0239.2004.00383.x
dc.identifier.citationPalaeontology. Oxford: Blackwell Publishing Ltd, v. 47, p. 515-533, 2004.
dc.identifier.doi10.1111/j.0031-0239.2004.00383.x
dc.identifier.fileWOS000221402400003.pdf
dc.identifier.issn0031-0239
dc.identifier.urihttp://hdl.handle.net/11449/34980
dc.identifier.wosWOS:000221402400003
dc.language.isoeng
dc.publisherBlackwell Publishing
dc.relation.ispartofPalaeontology
dc.relation.ispartofjcr3.730
dc.relation.ispartofsjr1,840
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectTerebratulidapt
dc.subjectrecentpt
dc.subjectsouth-east Brazilian bightpt
dc.titleRecent brachiopods from the southern Brazilian shelf: Palaeontological and biogeographical implicationsen
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderBlackwell Publishing Ltd
unesp.author.orcid0000-0002-8575-4711[2]
unesp.author.orcid0000-0002-8706-3199[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Botucatupt

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Artigos - Zoologia - IBB