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Paleolimnological inferences based on Oligocene ostracods (Crustacea: Ostracoda) from Tremembé Formation, Southeast Brazil.
Bergue, Cristianini T; Maranhão, Maria da Saudade A S; Fauth, Gerson.
Afiliação
  • Bergue CT; Instituto Tecnológico de Micropaleontologia, Universidade do Vale do Rio dos Sinos, São Leopoldo, RS, BR.
  • Maranhão Mda S; Instituto Geológico do Estado de São Paulo, São Paulo, SP, BR.
  • Fauth G; Instituto Tecnológico de Micropaleontologia, Universidade do Vale do Rio dos Sinos, São Leopoldo, RS, BR.
An Acad Bras Cienc ; 87(3): 1531-44, 2015 Sep.
Article em En | MEDLINE | ID: mdl-26221982
Non-marine Oligocene ostracods from Tremembé Formation (Taubaté Basin, Southeast Brazil) are studied for the first time. The study reveals rich assemblages which are probably composed of many new taxa, two of which are described here. The sixteen ostracod species registered are classified in the generaCypretta Vávra, Strandesia Stuhlmann,Potamocypris Brady, Heterocypris Claus,Eucypris Vávra, Herpetocypris Brady and Norman, Cytheridella Daday and LimnocythereBrady. Two new species of the latter are herein proposed: L. mandubi sp. nov. and L. katu sp. nov. The succession of ostracod assemblages along the studied core changes conspicuously in composition, abundance and preservation, and are characterized by the following associations: Herpetocypris-Cytheridella (lower), Limnocythere-Cypretta (middle) andPotamocypris-Heterocypris (upper). It is assumed that these associations represent different ecological phases of the paleolake Taubaté which is in accordance to previous stratigraphic and paleontological studies in the basin. The results from this pioneering taxonomic and paleoecological study on ostracods from Tremembé Formation reinforce the potential of these fossils for paleolimnological researches in Brazilian Cenozoic deposits.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Crustáceos Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: An Acad Bras Cienc Ano de publicação: 2015 Tipo de documento: Article País de publicação: Brasil
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Crustáceos Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: An Acad Bras Cienc Ano de publicação: 2015 Tipo de documento: Article País de publicação: Brasil