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Permian bivalve molluscs from the Gai-As Formation, northern Namibia: systematics, taphonomy and biostratigraphy

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dc.contributor.authorDavid, Juliana M. [UNESP]
dc.contributor.authorSimoes, Marcello G.
dc.contributor.authorAnelli, Luiz E.
dc.contributor.authorRohn, Rosemarie
dc.contributor.authorHolzfoerster, Frank
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionKTB
dc.date.accessioned2013-09-30T18:51:10Z
dc.date.accessioned2014-05-20T14:16:57Z
dc.date.available2013-09-30T18:51:10Z
dc.date.available2014-05-20T14:16:57Z
dc.date.issued2011-01-01
dc.description.abstractFossil bivalves from two horizons in the Gai-As Formation of NW Namibia are tentatively correlated with mid-Permian taxa of the Passa Dois Group of Brazil, supporting the concept that the Parana Basin extended into Africa. The Namibian fauna includes a new genus and species, Huabiella compressa, which was previously confused with Brazilian taxa. The taphonomy of the bivalve-rich strata indicates deposition under the influence of episodic events, such as storms. The Gai-As Formation directly overlies the mesosaurid-bearing deposits of the Huab Formation, indicating a significant unconformity when compared with the more complete succession of the Passa Dois Group, Parana Basin, Brazil. The studied bivalve assemblages are no younger than 265+/-2.5Ma (mid-Permian), based on U/Pb radiometric dating of zircons from tuffs.en
dc.description.affiliationUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Programa Posgrad Geol Reg, BR-13506900 Rio Claro, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Biociencias, BR-18610000 Botucatu, SP, Brazil
dc.description.affiliationUniv São Paulo, Inst Geociencias, BR-05508080 São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Dept Geol Aplicada, BR-13506900 Rio Claro, SP, Brazil
dc.description.affiliationKTB, GEO Zentrum, D-92670 Windischeschenbach, Germany
dc.description.affiliationUnespUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Programa Posgrad Geol Reg, BR-13506900 Rio Claro, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Biociencias, BR-18610000 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Geociencias & Ciencias Exatas, Dept Geol Aplicada, BR-13506900 Rio Claro, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipDeutsche Forschungsgemeinschaft (DFG)
dc.format.extent497-516
dc.identifierhttp://dx.doi.org/10.1080/03115518.2011.538908
dc.identifier.citationAlcheringa. Abingdon: Taylor & Francis Ltd, v. 35, n. 4, p. 497-516, 2011.
dc.identifier.doi10.1080/03115518.2011.538908
dc.identifier.issn0311-5518
dc.identifier.lattes8936275161197131
dc.identifier.orcid0000-0001-6110-4194
dc.identifier.urihttp://hdl.handle.net/11449/25083
dc.identifier.wosWOS:000299423400003
dc.language.isoeng
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofAlcheringa
dc.relation.ispartofjcr1.033
dc.relation.ispartofsjr0,496
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectBivalviaen
dc.subjectMegadesmidaeen
dc.subjectPermianen
dc.subjectHuab areaen
dc.subjectGai-As Formationen
dc.subjectbiostratigraphyen
dc.subjectRio do Rasto Formationen
dc.titlePermian bivalve molluscs from the Gai-As Formation, northern Namibia: systematics, taphonomy and biostratigraphyen
dc.typeArtigo
dcterms.licensehttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dcterms.rightsHolderTaylor & Francis Ltd
dspace.entity.typePublication
unesp.author.lattes8936275161197131[4]
unesp.author.orcid0000-0001-6110-4194[4]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Geociências e Ciências Exatas, Rio Claropt
unesp.departmentGeologia Aplicada - IGCEpt

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Rio Claro - IGCE - Instituto de Geociências e Ciências Exatas