Joseline Manfroi

Instituto Antártico Chileno

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André Jasper

Univates

Dieter Uhl

Senckenberg Research Institute and Natural History Museum Frankfurt/M

Margôt Guerra-Sommer

Universidade Federal do Rio Grande do Sul

Tânia Lindner Dutra

Universidade do Vale do Rio dos Sinos

Cristine Trevisan

Instituto Antártico Chileno

Marcelo Leppe

Instituto Antártico Chileno

Rafael Spiekermann

Senckenberg Research Institute and Natural History Museum Frankfurt/M

Felipe L. Pinheiro

Universidade Federal do Pampa

ÁA

Átila Augusto Stock da Rosa

Universidade Federal de Santa Maria

Heitor Francischini

Universidade Federal do Rio Grande do Sul

Cooperative Institutions

Universidade Federal do Rio Grande do Sul

Instituto de Geociencias

Universidade do Vale do Rio dos Sinos

Consejo Nacional de Investigaciones Científicas y Técnicas

Universidade Federal do Rio de Janeiro

Universidade Federal do Rio Grande

Univates

University of Chile

Instituto Antártico Chileno

University of Tübingen

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A MIDDLE PERMIAN (ROADIAN) LUNGFISH AESTIVATION BURROW FROM THE RIO DO RASTO FORMATION (PARANÁ BASIN, BRAZIL) AND ASSOCIATED U-Pb DATING

Palaios (2018)

Heitor Francischini Paula Dentzien‐Dias Margôt Guerra-Sommer Rualdo Menegat João Orestes Schneider Santos

Research Article| February 27, 2018 A MIDDLE PERMIAN (ROADIAN) LUNGFISH AESTIVATION BURROW FROM THE RIO DO RASTO FORMATION (PARANÁ BASIN, BRAZIL) AND ASSOCIATED U-Pb DATING HEITOR FRANCISCHINI; HEITOR FRANCISCHINI 1Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Porto Alegre, Caixa Postal 15.001, CEP 91501-970, Brazil Search for other works by this author on: GSW Google Scholar PAULA DENTZIEN-DIAS; PAULA DENTZIEN-DIAS 2Instituto de Oceanografia, Universidade Federal do Rio Grande, Avenida Itália Km 8, Rio Grande, CEP 96201-900, Brazil Search for other works by this author on: GSW Google Scholar MARGOT GUERRA-SOMMER; MARGOT GUERRA-SOMMER 1Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Porto Alegre, Caixa Postal 15.001, CEP 91501-970, Brazil Search for other works by this author on: GSW Google Scholar RUALDO MENEGAT; RUALDO MENEGAT 1Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Porto Alegre, Caixa Postal 15.001, CEP 91501-970, Brazil Search for other works by this author on: GSW Google Scholar JOÃO ORESTES SCHNEIDER SANTOS; JOÃO ORESTES SCHNEIDER SANTOS 3Centre for Global Targeting, University of Western Australia, 35 Stirling Highway, Perth, 6009, Australia Search for other works by this author on: GSW Google Scholar JOSELINE MANFROI; JOSELINE MANFROI 4Programa de Pós-Graduação em Ambiente e Desenvolvimento, Centro Universitário UNIVATES, Lajeado, CEP 95900-000, Brazil Search for other works by this author on: GSW Google Scholar CESAR LEANDRO SCHULTZ CESAR LEANDRO SCHULTZ 1Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Porto Alegre, Caixa Postal 15.001, CEP 91501-970, Brazil Search for other works by this author on: GSW Google Scholar Author and Article Information HEITOR FRANCISCHINI 1Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Porto Alegre, Caixa Postal 15.001, CEP 91501-970, Brazil PAULA DENTZIEN-DIAS 2Instituto de Oceanografia, Universidade Federal do Rio Grande, Avenida Itália Km 8, Rio Grande, CEP 96201-900, Brazil MARGOT GUERRA-SOMMER 1Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Porto Alegre, Caixa Postal 15.001, CEP 91501-970, Brazil RUALDO MENEGAT 1Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Porto Alegre, Caixa Postal 15.001, CEP 91501-970, Brazil JOÃO ORESTES SCHNEIDER SANTOS 3Centre for Global Targeting, University of Western Australia, 35 Stirling Highway, Perth, 6009, Australia JOSELINE MANFROI 4Programa de Pós-Graduação em Ambiente e Desenvolvimento, Centro Universitário UNIVATES, Lajeado, CEP 95900-000, Brazil CESAR LEANDRO SCHULTZ 1Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Porto Alegre, Caixa Postal 15.001, CEP 91501-970, Brazil email: heitorfrancischini@hotmail.com Publisher: SEPM Society for Sedimentary Geology First Online: 27 Feb 2018 Online Issn: 1938-5323 Print Issn: 0883-1351 Copyright © 2018, SEPM (Society for Sedimentary Geology) PALAIOS (2018) 33 (2): 69–84. https://doi.org/10.2110/palo.2017.050 Article history First Online: 27 Feb 2018 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation HEITOR FRANCISCHINI, PAULA DENTZIEN-DIAS, MARGOT GUERRA-SOMMER, RUALDO MENEGAT, JOÃO ORESTES SCHNEIDER SANTOS, JOSELINE MANFROI, CESAR LEANDRO SCHULTZ; A MIDDLE PERMIAN (ROADIAN) LUNGFISH AESTIVATION BURROW FROM THE RIO DO RASTO FORMATION (PARANÁ BASIN, BRAZIL) AND ASSOCIATED U-Pb DATING. PALAIOS 2018;; 33 (2): 69–84. doi: https://doi.org/10.2110/palo.2017.050 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyPALAIOS Search Advanced Search Abstract The Permian Rio do Rasto Formation (Paraná Basin) crops out in southern Brazil and was deposited under fluvio-lacustrine settings. A singular outcrop located in the Aceguá municipality (Rio Grande do Sul State) represents a sequence of three distinct levels of paleosols in which rhizoliths and a single vertebrate burrow were recovered. The latter has a sub-vertical orientation, a slightly curved shape and a gross morphology and simple architecture that are consistent with aestivation burrows produced by lungfishes. The occurrence of this structure, in association with the features of the paleosols, indicates a seasonal climate with drought events. Additionally, a tonstein layer is interbedded in the paleosol sequence, indicating the influence of volcanic ash falls in the paleoenvironment. Zircons were collected from this level and dated using U-Pb techniques and the obtained age is 270.61 +1.76/-3.27 Ma (Roadian). The paleoenvironmental context of this outcrop is in accordance with a dry, seasonal climate of southwestern Pangaea during the early Guadalupian. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.

Lungfish

Burrow

10.2110/palo.2017.050

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Citations (18)

Palaeoclimatic inferences based on dendrological patterns of permineralized wood from the Permian of the Northern Tocantins Petrified Forest, Parnaíba Basin, Brazil

Palaeobiodiversity and Palaeoenvironments (2015)

José Rafael Wanderley Benício Rafael Spiekermann Joseline Manfroi Dieter Uhl Etiene Fabbrin Pires

Fossil wood

Dryness

10.1007/s12549-015-0218-8

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Citations (25)

Pre-Quaternary wood decay ‘caught in the act’ by fire – examples of plant-microbe-interactions preserved in charcoal from clastic sediments

Historical Biology (2017)

Haytham El Atfy Philipe Havlik Pia S. Krüger Joseline Manfroi André Jasper

The fossil record contains abundant evidence for the activity of microorganisms in the form of characteristic decay structures within fossil plant remains. Despite an abundance of charcoal in many sedimentary environments, there is little published evidence of such decay structures within charcoal from pre-Quaternary clastic deposits. The present contribution presents some examples of pre-Quaternary charcoal from clastic sediments which exhibit pre-charring decay structures, stratigraphically reaching from the Permian up to the Oligocene. Examples include specimens affected by the principle types of wood rot known from modern ecosystems (i.e. brown-rot, white rot and soft-rot) as well as a peculiar decay pattern resembling an atypical type of white-rot, which is only rarely known from modern wood. Theoretically there are different, so far hypothetical, scenarios which could be used to explain the scarcity of published reports on such material. Besides taphonomical biases directly influencing the sedimentary record of charcoal towards material not affected by microbial decay, it is conceivable that the lack of reports of such material from pre-Quaternary clastic deposits represents a, maybe unintentional, bias introduced by scientists working on pre-Quaternary charcoal.

Charcoal

Taphonomy

Paleobotany

Detritus

10.1080/08912963.2017.1413101

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Citations (18)

Registro de charcoal em depósitos do final do cretáceo da Península Antártica: proxy na avaliação do contexto deposicional e paleoambiental

Joseline Manfroi

A presenca de carvao vegetal macroscopico (charcoal) no registro fossil oferece a perspectiva de uma gama variada de avaliacoes sobre o contexto paleoambiental que originou este tipo de deposito. Entre suas aplicacoes estao aspectos que tem envolvido a pesquisa geologica e paleontologica nos ultimos anos, tais como as variacoes do teor de oxigenio na atmosfera e a associacao da vegetacao a contextos pirogenicos. No presente trabalho foi realizada a avaliacao da presenca de carvao vegetal macroscopico (charcoal) em depositos do final do Cretaceo na Peninsula Antartica cuja genese, em um contexto tectonico de ante-arco, resultou em uma deposicao eminentemente vulcânica. Parte do material aqui estudado provem das coletas realizadas pelo Programa Antartico Brasileiro nas ilhas King George e Nelson, estando armazenado no Laboratorio de Historia da Vida e da Terra (LaViGea), da Universidade do Vale do Rio do Sinos – UNISINOS, parte foi cedida pelo Instituto Antartico Chileno (INACH), e provem da ilha Livingston. As amostras foram analisadas sob estereomicroscopio, buscando a presenca de fragmentos que denunciassem a ocorrencia de elementos carbonizados. Estes foram retirados mecanicamente do sedimento e analisados sob Microscopio Eletronico de Varredura (MEV). As analises permitiram a definicao das caracteristicas morfoanatomicas preservadas nos fragmentos vegetais e a avaliacao da dinâmica dos paleoincendios. Duas localidades mostraram a presenca de restos carbonizados, uma delas no sudoeste da ilha King George (Pontal Price) e a outra na area norte da ilha Nelson (Pontal Rip). A analise demostrou que os fragmentos vegetais carbonizados apresentam estruturas celulares preservadas, a presenca de raios transversais simples e pontoacoes uniseriadas permitem relacionar o material a Gimnospermas. A fusao das paredes celulares dos traqueideos, com claras marcas de ruptura das estruturas permitem inferir temperaturas entre 340°C e 600 °C. Tendo em conta o contexto proximal do edificio vulcânico, inferido a partir das litologias associadas, uma vinculacao tafonomica a queda de cinzas ainda aquecidas e aqui proposta para a queima e preservacao dos restos.

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Hepaticites iporangae Ricardi-Branco, Faria, Jasper, and Guerra-Sommer, 2011 from the early Permian of the Paraná Basin, Brazil, is not a liverwort but a tracheophyte

Journal of Paleontology (2016)

Dieter Uhl André Jasper Talyssa Valerius Joseline Manfroi Margôt Guerra-Sommer

Abstract From new and more complete material, which includes frond fragments with casts of tracheid remains of the rachis, it can be demonstrated that the putative liverwort Hepaticites iporangae Ricardi-Branco, Faria, Jasper, and Guerra-Sommer, 2011, from the early Permian Rio Bonito Formation (Sakmarian) of the Paraná Basin, Brazil, is not a bryophyte but a tracheophyte. The new material was collected from the same locality and layer as the type material, in the Quitéria outcrop in the municipality of Encruzilhada do Sul, state of Rio Grande do Sul, Brazil. From the morphology of the deeply dissected pinnatifid pinnules with narrow laminar lobes, the taxon is provisionally reassigned to the genus Rhodeopteridium . Thus we propose the new combination ‘ Rhodeopteridium ’ iporangae new combination for this taxon. This new systematic interpretation contributes to our understanding of early liverworts (by removing Hepaticites iporangae as a possible taxon thereof) and clarifies an issue of diversity of the flora of the early Permian Rio Bonito Formation resulting from the original misidentification.

Bryophyte

Outcrop

Frond

Type locality

Lejeuneaceae

10.1017/jpa.2016.82

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Citations (5)

A Look into the Past: Fossils from the Campos Sulinos Region

Springer eBooks (2023)

Átila Augusto Stock da Rosa Leonardo Kerber Felipe L. Pinheiro Joseline Manfroi

Megafauna

10.1007/978-3-031-42580-6_3

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Citations (1)

The Calm Before the Storm: A Diverse Paleoflora from the Guadalupian of Western Gondwana

Joseane Salau Ferraz Joseline Manfroi Arielli Fabrício Machado William Vieira Gobo Margôt Guerra-Sommer

10.2139/ssrn.5114239

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Extending the database of Permian palaeo-wildfire on Gondwana: Charcoal remains from the Rio do Rasto Formation (Paraná Basin), Middle Permian, Rio Grande do Sul State, Brazil

Palaeogeography Palaeoclimatology Palaeoecology (2015)

Joseline Manfroi Dieter Uhl Margôt Guerra-Sommer Heitor Francischini Agustín G. Martinelli

Outcrop

Charcoal

10.1016/j.palaeo.2015.07.003

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Citations (32)

A unique Late Cretaceous fossil wood assemblage from Chilean Patagonia provides clues to a high‐latitude continental environment

Papers in Palaeontology (2023)

Leandro C.A. Martínez Marcelo Leppe Leslie M.E. Manríquez Juan Pablo Pino Cristine Trevisan

Abstract Fossil plants, including large trunks, stems, some branches, and twigs, were collected from the Maastrichtian (68.9 Ma), upper Dorotea Formation in the Magallanes–Austral Basin, 16 km north of the Cerro Guido–Las Chinas complex in the southern Chilean Magallanes region. These fossil trunks range from 0.2 to 2.2 m in length. Petrographic slides were made in three sections (transverse, radial and tangential) and analysed under a light microscope to study the permineralized fossils. The woods and stems belong to Austroginkgoxylon gen. et sp. nov., Agathoxylon antarcticum , Podocarpoxylon paradoxi sp. nov., Podocarpoxylon mazzonii , Palmoxylon subantarcticae and Notomalvaceoxylon magallanense gen. et sp. nov. The growth rings of gymnosperms and anatomical characters of angiosperms were analysed to obtain palaeoecological data. Interactions between gymnosperm roots growing into the secondary xylem of an angiosperm (nurse logs) are recorded. The data obtained from the fossil woods suggest warm and humid conditions in this southern South American locality during the Late Cretaceous, providing a unique opportunity to study continental environments at high southern latitudes, which are poorly represented on a global scale.

Gymnosperm

Cupressaceae

Fossil wood

10.1002/spp2.1536

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Citations (5)

Paleoclimatic implications of a vascular plant from the lowermost Itararé Group

Journal of South American Earth Sciences (2024)

Daniel Sedorko Rafael Spiekermann Rafael Costa da Silva Renato Rodríguez Cabral Ramos Cláudio Limeira Mello

10.1016/j.jsames.2024.105045

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