Scholarship 12/12508-6 - Permiano, Bioestratigrafia - BV FAPESP
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Integrated analysis (taxonomic, paleoecologic and evolutive) of the bivalves from the base of Corumbataí Formation (Permian) and coeval units, and its implications for the geological history of the endemic molluscan fauna from the Paraná Basin, Brazil

Grant number: 12/12508-6
Support Opportunities:Scholarships in Brazil - Doctorate
Start date until: August 01, 2012
End date until: January 31, 2016
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal Investigator:Marcello Guimarães Simões
Grantee:Suzana Aparecida Matos da Silva
Host Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil

Abstract

The Passa Dois Group, Paraná Basin, Brazil, holds a rich and exceptionally preserved molluscan fauna that rivals with the most famous, and better studied, silicified bivalve assemblages of the Permian World (as those of the Texas, USA). In special, deposits of the Corumbataí Formation harbor a diverse suite of endemic megadesmid (Anomalodesmata) and crassatellid (Veneroida) bivalves (among others), which show a wide variety of peculiar shell morphologies. Especially in the middle/upper portion of the Corumbataí Formation, these groups (but Megadesmidae in particular) diversified spectacularly. However, the early history of this evolutionary process is poorly known, since the faunas of the base of the Corumbataí Formation are still virtuously undescribed. Based on new findings, this project has the following goals: (a) to collect new taphonomic, taxonomic and stratigraphic data in the quarries along the Fausto Santomauro road, Rio Claro-Piracicaba, where deposits of the Corumbataí Formation are cropping-out; (b) to revise the molluscan fauna amassed in scientific collections such as those of the IBB/UNESP e IGc/USP; (c) to describe and identify the bivalves from deposits of the new outcrop available in the geological section near the Passa Cinco river, Rio Claro region, SP; (d) to determine the paleoautoecology (functional anatomy) of the studied bivalves and their relations with the deposits where they are preserved (e) to correlate the systematics and paleoecology of the fauna with the taphonomic data available in order to better interpret the sedimentary dynamics of the studied fossiliferous deposits, and (h) to interpret the data in terms of bivalve biozones of the Permian Passa Dois Group, eastern border of the Paraná Basin. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MATOS, SUZANA APARECIDA; WARREN, LUCAS VERISSIMO; VAREJAO, FILIPE GIOVANINI; ASSINE, MARIO LUIS; SIMOES, MARCELLO GUIMARAES. Permian endemic bivalves of the "Irati anoxic event", Parana Basin, Brazil: Taphonomical, paleogeographical and evolutionary implications. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, v. 469, p. 16-pg., . (12/12508-6)
SIMOES, M. G.; MATOS, S. A.; WARREN, L. V.; ASSINE, M. L.; RICCOMINI, C.; BONDIOLI, J. G.. Untold muddy tales: Paleoenvironmental dynamics of a ``barren{''} mudrock succession from a shallow Permian epeiric sea. Journal of South American Earth Sciences, v. 71, n. SI, p. 223-234, . (12/12508-6)
MATOS, SUZANA APARECIDA; WARREN, LUCAS VERISSIMO; VAREJAO, FILIPE GIOVANINI; ASSINE, MARIO LUIS; SIMOES, MARCELLO GUIMARAES. Permian endemic bivalves of the ``Irati anoxic event{''}, Parana Basin, Brazil: Taphonomical, paleogeographical and evolutionary implications. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, v. 469, p. 18-33, . (12/12508-6)
MATOS, SUZANA APARECIDA; WARREN, LUCAS VERISSIMO; FUERSICH, FRANZ THEODOR; ALESSANDRETTI, LUCIANO; ASSINE, MARIO LUIS; RICCOMINI, CLAUDIO; SIMOES, MARCELLO GUIMARAES. Paleoecology and paleoenvironments of Permian bivalves of the Serra Alta Formation, Brazil: Ordinary suspension feeders or Late Paleozoic Gondwana seep organisms?. Journal of South American Earth Sciences, v. 77, p. 21-41, . (12/12508-6)
SIMOES, M. G.; MATOS, S. A.; WARREN, L. V.; ASSINE, M. L.; RICCOMINI, C.; BONDIOLI, J. G.. Untold muddy tales: Paleoenvironmental dynamics of a "barren" mudrock succession from a shallow Permian epeiric sea. Journal of South American Earth Sciences, v. 71, p. 12-pg., . (12/12508-6)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SILVA, Suzana Aparecida Matos da. Tafonomia e paleoecologia de bivalves permianos em fácies siliciclásticas deficientes em oxigênio: O exemplo das formações Irati e Serra Alta, bacia do Paraná, Brasil. 2016. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Geociências (IG/BT) São Paulo.

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