Petrified Marattiales pinnae from the Lower Permian of North-Western Gondwana (Parnaíba Basin, Brazil)

Tavares, Tatiane Marinho Vieira; Rohn, Rosemarie; Röβler, Ronny; Noll, Robert

doi:10.1016/j.revpalbo.2013.09.002

Cited by 53 publications

(21 citation statements)

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“…This context is supported by several climate-sensitive indications. Faria and Truckenbrodt (1980) described evaporites, such as gypsum deposits in the Pedra de Fogo and Motuca formations; the fern Buritiranopteris costata (Tavares et al, 2014) clearly exhibits marked xeromorphic aspects in their fronds; frequent growth interruptions to secondary wood reflecting some kind of environmental seasonality were registered in several woody plants Kurzawe et al, 2013a,b;Rößler et al, 2014;Benício et al, 2015). Following Neregato et al (2015) who described prominent tissue density variations in the secondary xylem of their new species Arthropitys isoramis and A. iannuzzii and interpreted them as growth rings, we report further evidence of growth-ring-like patterns in additional calamitalean taxa (Arthropitys tocantinensis sp.…”

Section: Fascicular Wedges Well Defined Throughout the Woodmentioning

confidence: 99%

“…of Buritiranopteris costata (Tavares et al, 2014); e) the growth-ring-like patterns found in Arthropitys stems (Neregato et al, 2015), roots (Rößler et al, 2014), and in associated gymnosperms (Kurzawe et al, 2013a(Kurzawe et al, , 2013bBenício et al, 2015). However, availability of water must have existed annually to support the diversity of plant groups and their arborescent stature.…”

Section: Fascicular Wedges Well Defined Throughout the Woodmentioning

confidence: 99%

“…The border region of southern Maranhão State and northern Tocantins State has yielded numerous large and well-preserved plant fossils, which have expanded our knowledge of low-latitude Gondwanan palaeofloras (Rößler and Noll, 2002;Rößler andGaltier, 2002a,b, 2003;. Recently, several detailed studies have shed light on taphonomic or palaeoenvironmental aspects of the host strata (Capretz and Rohn, 2013;Tavares et al, 2014) and initiated systematic investigations of additional plant groups, such as gymnosperms (Kurzawe et al, 2013a,b). Still under open nomenclature, Rößler and Noll (2002) and Neregato (2012) described several new calamitalean forms based on numerous specimens that reveal not only information on anatomy and branching characteristics of their aerial parts, but also initial rooting structures.…”

Section: Introductionmentioning

confidence: 99%

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New petrified calamitaleans from the Permian of the Parnaíba Basin, central-north Brazil, part II, and phytogeographic implications for late Paleozoic floras

Neregato

Rößler

Iannuzzi

et al. 2017

Review of Palaeobotany and Palynology

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Continuing palaeofloristic studies in the Northern Tocantins Fossil Forest, we describe two new calamitalean species from the Permian of the Parnaíba Basin (central-north Brazil). The fossils comprise axes of various sizes, preserved anatomically as siliceous petrifactions, and found in highly mature sandy fluvial deposits of the Motuca Formation. Based on anatomical and morphological characteristics, Arthropitys tocantinensis sp. nov. and Arthropitys barthelii sp. nov. are described. They share a small central pith cavity (extremely reduced in the latter), scalariform tracheid pitting, and prominent pitting of the ray parenchyma. However, they differ markedly in their branching system: the former having 3-12 branches per node either with or lacking secondary growth, the latter showing 2-17 branches without any secondary growth. However, in A. tocantinensis sp. nov., the presence of large woody branches supports a more complex architecture with at least three successive orders of branches. The extensive secondary tissue in both species is homogeneous; clear segmentation is only visible in the proximal wood of A. tocantinensis sp. nov., but completely absent in A. barthelii sp. nov. The growth architecture of these upright growing, self-supporting trunks are reconstructed based on sizable transverse and longitudinal preparations. Our results confirm that thick woody calamitaleans were elements of disturbed riparian vegetation and much more diverse in terms of anatomy and branching patterns than previously thought. They were well adapted to seasonally dry conditions and formed major plant constituents of Permian low-latitude Southern Hemisphere communities. Additionally, we report the first evidence of colonisation on arborescent calamitaleans by herbaceous sphenophyte axes from the Permian. One of the Arthropitys stems hosts at least 30 Sphenophyllum shoots of various ontogenetic stages, growing inside the destroyed pith, which was previously excavated by arthropod boring. Based on the distribution of key genera within late Paleozoic floras of Euramerica, Gondwana and Cathaysia floral realms cluster analysis and Jaccard Coefficient highlight the distribution of a "Mid-North Brazilian" phytogeographic Region during the early Permian.

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Section: Fascicular Wedges Well Defined Throughout the Woodmentioning

confidence: 99%

Section: Fascicular Wedges Well Defined Throughout the Woodmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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New petrified calamitaleans from the Permian of the Parnaíba Basin, central-north Brazil, part II, and phytogeographic implications for late Paleozoic floras

Neregato

Rößler

Iannuzzi

et al. 2017

Review of Palaeobotany and Palynology

Self Cite

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“…No topo, ocorrem abundante conteúdo de restos fósseis, níveis peletoidais e/ou silicificados, bem como madeiras silicificadas, geralmente pertencentes ao gênero Psaronius (Coimbra e Mussa, 1984;Mussa e Coimbra, 1987;Caldas et al, 1989;Martins, 2000;Röβler e Galtier, 2002a, 2002b, até vestígios de peixes e anfíbios (Cox e Hutchinson, 1991;Santos, 1989aSantos, , 1989bSantos, , 1990Santos, , 1994. Trabalhos recentes, seguindo a proposta de Pinto e Sad (1986), atribuem o vasto conteúdo de caules petrificados inseridos na Unidade de Conservação denominada "Monumento Nacional das Árvores Fossilizadas do Tocantins" (MNAFTO), entre os munícipios de Araguaina e Filadélfia (Figura 1), como pertencentes exclusivamente a Formação Motuca (Dias-Brito et al, 2007; Capretz e Rohn 2013; Kurzawe et al, 2013;Tavares et al, 2014).…”

Section: Contexto Geológicounclassified

“…Muito embora Pinto e Sad (1986), Dias-Brito et al, (2009), Capretz e Rohn (2013), Kurzawe et al, (2013) e Tavares et al, (2014) considerem os depósitos da Formação Pedra de Fogo na região desse estudo desprovidos de madeiras silicificadas, atribuem a grande variedade desses troncos fósseis exclusivamente a Formação Motuca. A análise de fácies sedimentares e, principalmente, a estratigrafia local permitiram vincular a ocorrência de troncos silicificados aos depósitos da parte superior da Formação Pedra de Fogo, como demostrados nas Figuras 2, 3, 5A e 5B.…”

Section: Paleoambiente E Modelo Deposicionalunclassified

Evolução de um sistema lacustre árido permiano, parte superior da formação pedra de fogo, borda oeste da bacia do Parnaíba

Andrade

Nogueira

Silva

2014

Geol. USP, Sér. cient.

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Disponível on-line no endereço www.igc.usp.br/geologiausp -39 - ResumoAnálise faciológica e estratigráfica realizada na região de Filadélfia, TO, borda oeste da Bacia do Parnaíba, permitiu redefinir o paleoambiente da parte superior da Formação Pedra de Fogo, de idade permiana. Os depósitos estudados constituem uma sucessão de aproximadamente 100 m de espessura, predominantemente siliciclástica, com carbonatos e evaporitos subordinados, onde foram definidas 21 fácies sedimentares agrupadas em seis associações de fácies (AF): AF1) Lacustre com rios efêmeros; AF2) Lago influenciado por ondas de tempestade; AF3) Sabkha continental; AF4) Lago central; AF5) Dunas eólicas; e AF6) Lago/oásis com inundito. Estas associações indicam que durante o Permiano, um extenso sistema lacustre de clima árido, desenvolveu-se adjacente a campos de dunas eólicas e sabkha continental, com contribuições de rios efêmeros. Incursões fluviais nos lagos propiciavam a formação de lobos de suspensão e fluxos em lençol (AF1). Planícies de sabkha (AF3) formaram-se nas porções marginais do lago que, eventualmente eram influenciados por ondas de tempestades (AF2), enquanto zonas centrais eram sítios de intensa deposição pelítica (AF4). O baixo suprimento de areia eólica neste sistema propiciou a formação de um campo de dunas restrito (AF5), com desenvolvimento de lagos de interdunas (oásis), onde proliferavam núcleos de samambaias gigantes, inundados esporadicamente por rios efêmeros (AF6). Os dados faciológicos, corroborados pela paleogeografia da região durante o Permiano Superior, indicam que a sedimentação da parte superior da Formação Pedra de Fogo ocorreu sob condições climáticas quentes e áridas.Palavras-chave: Bacia do Parnaíba; Análise de fácies; Paleoambiente; Permiano; Formação Pedra de Fogo; Sistema lacustre árido. AbstractStratigraphic and facies analysis in the Filadélfia region, TO, BR, at the western of the Parnaíba Basin, allowed redefine the paleoenvironment of the upper portion of the Pedra de Fogo Formation of Permian age. The studied deposits are a series of approximately 100 m thick, predominantly siliciclastic, with subordinate carbonates and evaporites, where were defined 21 sedimentary facies that could be grouped into six facies associations (AF): AF1) Lacustrine with ephemeral river deposits; AF2) Storm wave-influenced lake deposits; AF3) Continental sabkha deposits; AF4) Central lake deposits; AF5) Eolian dunes field deposits; and AF6) Lake/oasis deposits with inunditos. These associations indicate that during Permian, an extensive lacustrine arid system developed adjacent to eolian dunes fields and continental sabkha, as well as with contributions from ephemeral rivers. Fluvial incursions into lakes propitiated the formation of suspension lobes and sheet flows (AF1). Sabkha plains (AF3) were formed in the marginal portions of the lake that eventually were influenced by storms waves (AF2), while central zone were site of intense pelitic deposition (AF4). The low supply of eolian sand in this system resulted in the for...

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Brazilian Paleobotany: Past, Present, and Future Perspectives

Bernardes-de-Oliveira,

Garcia,

Abranches

et al. 2024

Brazilian Paleofloras

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Petrified Marattiales pinnae from the Lower Permian of North-Western Gondwana (Parnaíba Basin, Brazil)

Cited by 53 publications

References 55 publications

New petrified calamitaleans from the Permian of the Parnaíba Basin, central-north Brazil, part II, and phytogeographic implications for late Paleozoic floras

New petrified calamitaleans from the Permian of the Parnaíba Basin, central-north Brazil, part II, and phytogeographic implications for late Paleozoic floras

Evolução de um sistema lacustre árido permiano, parte superior da formação pedra de fogo, borda oeste da bacia do Parnaíba

Brazilian Paleobotany: Past, Present, and Future Perspectives

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