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Re-evaluation of the Permian macrofossils from the Parnaíba Basin: biostratigraphic, palaeoenvironmental and palaeogeographical implications

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Roberto Iannuzzi
Roberto Iannuzzi
Universidade Federal do Rio Grande do Sul, PO Box 15001, 91501-970, Porto Alegre, Rio Grande do Sul, Brazil
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Rodrigo Neregato
Rodrigo Neregato
Universidade Federal do Rio Grande do Sul, PO Box 15001, 91501-970, Porto Alegre, Rio Grande do Sul, Brazil
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Juan C. Cisneros
Juan C. Cisneros
Universidade Federal do Piauí, Centro de Ciências da Natureza, 64049-550, Teresina, Piauí, Brazil
Departamento de Geologia, Universidade Federal de Pernambuco, Programa de Pós-Graduação em Geociências, 50740-533, Recife, Brazil
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Kenneth D. Angielczyk
Kenneth D. Angielczyk
Integrative Research Center, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL 60605, USA
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Ronny Rößler
Ronny Rößler
Museum für Naturkunde, Moritzstraße 20, D–09111, Chemnitz, Germany
Geological Institute, TU Bergakademie Freiberg, Bernhard-von Cotta Straße 2, D-09596, Freiberg, Germany
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Rosemarie Rohn
Rosemarie Rohn
University of the State of São Paulo – UNESP Rio Claro, Av. 24A, 13506-900, Rio Claro, São Paulo, Brazil
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Claudia Marsicano
Claudia Marsicano
Departamento de Ciencias Geológicas, FCEN, Universidad de Buenos Aires, IDEANCONICET, C1428EHA, Buenos Aires, Argentina
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Jörg Fröbisch
Jörg Fröbisch
Museum für Naturkunde, Leibniz, Institut für Evolutions und Biodiversitätsforschung, Invalidenstraße 43, D-10115, Berlin, Germany
Institut für Biologie, Humboldt-Universitätzu Berlin, Invalidenstraße 110, D-10115 Berlin, Germany
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Thomas Fairchild
Thomas Fairchild
University of São Paulo – IGc-USP, Av. Prof. Almeida Prado, 1280, 05508-900, São Paulo, Brazil
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Roger M. H. Smith
Roger M. H. Smith
Evolutionary Studies Institute, University of Witwatersrand, Private Bag 3, 2050 Johannesburg, South Africa
Department of Karoo Palaeontology, Iziko South African Museum, PO Box 61, 8000 Cape Town, South Africa
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Francine Kurzawe
Francine Kurzawe
Universidade Federal do Paraná, Rua XV de Novembro 1299, 80060-000, Curitiba, Paraná, Brazil
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Martha Richter
Martha Richter
Earth Sciences Department, Natural History Museum, Cromwell Road, London SW7 5BD, UK
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Max C. Langer
Max C. Langer
University of São Paulo – USP, Av. Bandeirantes, 3900, 14049-900, Ribeirão Preto, São Paulo, Brazil
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Tatiane M. V. Tavares
Tatiane M. V. Tavares
Universidade Federal do Tocantins, Rua Dois, 34, Conjunto Residencial Patrocínio, 65907-230, Araguaína, Tocantins, Brazil
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Christian F. Kammerer
Christian F. Kammerer
North Carolina Museum of Natural Sciences, 11 West Jones Street, Raleigh, NC 27601, USA
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Domingas M. Conceição
Domingas M. Conceição
Universidade Federal do Rio Grande do Sul, PO Box 15001, 91501-970, Porto Alegre, Rio Grande do Sul, Brazil
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Jason D. Pardo
Jason D. Pardo
19
University of Calgary, 2500 University Drive NW, Calgary AB T2N 1N4, Canada
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Guilherme A. Roesler
Guilherme A. Roesler
Universidade Federal do Rio Grande do Sul, PO Box 15001, 91501-970, Porto Alegre, Rio Grande do Sul, Brazil
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Published:
January 01, 2018

Abstract

Although Permian fossils have been known from the Parnaíba Basin for two centuries, and some faunal and flora elements are well known worldwide, research on the fossil assemblages from this basin has lagged relative to other, more accessible basins. In the last decade, however, there has been a significant increase in the study of fossils from the two Permian units of the basin: the Pedra de Fogo and Motuca formations. The goal of this contribution is to synthesize and update the existing data on the Permian macrofossils from these formations, and to use them to address biostratigraphic, palaeoenvironmental and palaeogeographical questions. The Pedra de Fogo and Motuca formations are likely to be Cisuralian in age. Contrary to previous reports, there is more than one stratigraphic interval that preserves petrified fossil plants. The possible marine influence proposed for the Pedra de Fogo Formation must be reassessed based on the strongly terrestrial character of its fossil assemblages. Palaeoenvironmental and palaeoclimatic conditions are inferred to be wetter than is typically predicted for this region of the globe based on climatic modelling. Despite sharing some taxa with the Euramerican and Gondwanan biogeographical provinces, the Parnaíba Basin was likely to have been part of a distinct biogeographical province, as indicated by the high degree of endemism displayed by its Permian floras and faunas.

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Contents

Cratonic Basin Formation: A Case Study of the Parnaíba Basin of Brazil
CONTAINS OPEN ACCESS

M. C. Daly
M. C. Daly
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R. A. Fuck
R. A. Fuck
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J. Julià
J. Julià
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D.I.M. MacDonald
D.I.M. MacDonald
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A. B. Watts
A. B. Watts
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Geological Society of London
Volume
472
ISBN electronic:
9781786204127
Publication date:
January 01, 2018

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