The first recorded decline of the Malvinokaffric Devonian fauna in the Paraná Basin (southern Brazil) and its cause; taphonomic and fossil evidences

Bosetti, Elvio Pinto; Grahn, Yngve; Horodyski, Rodrigo Scalise; Mauller, Paula Mendlowicz

doi:10.1016/j.jsames.2012.02.006

Cited by 58 publications

(54 citation statements)

References 27 publications

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“…Two wastebasket taxa were reported from the Emsian of the Paraná Basin in Brazil: Orthoceras and Spyroceras (Bosetti et al, 2010b(Bosetti et al, , 2012. Table 1 summarizes the non-ammonoid cephalopods reported from this region.…”

Section: Cichowolski and Rustán-early Devonian Bactritids From Argentinamentioning

confidence: 99%

First report of Devonian bactritids (Cephalopoda) from South America: paleobiogeographic and biostratigraphic implications

Cichowolski

Rustán

2017

J. Paleontol.

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Abstract.-Devonian bactritids are described for the first time from South America. They come from siliciclastic rocks of the Talacasto Formation in the Precordillera Basin, west-central Argentina. The host strata span the Lochkovian-Emsian and contain other non-ammonoid cephalopods as well, thus refuting the alleged virtual absence of cephalopods in circumpolar Devonian basins from southwestern Gondwana (the Malvinokaffric Realm). We report Bactrites gracilis and Devonobactrites? sp., whose wide distribution contrasts with the endemic paleobiogeographic signature of some other taxonomic groups in these basins. Furthermore, new Lochkovian and Pragian records of Bactrites sp. provide new insights into the earliest bactritid records worldwide.

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Section: Cichowolski and Rustán-early Devonian Bactritids From Argentinamentioning

confidence: 99%

First report of Devonian bactritids (Cephalopoda) from South America: paleobiogeographic and biostratigraphic implications

Cichowolski

Rustán

2017

J. Paleontol.

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“…O Devoniano da Bacia do Paraná aflora em faixas relativamente estreitas nas bordas leste e noroeste, nas sub-bacias de Apucarana e Alto Garças, respectivamente, sendo recoberto por rochas mesozoicas na maior parte da área da bacia (Petri & Fúlfaro, 1983 Grahn et al, 2000Grahn et al, , 2013Bosetti et al, 2012). Essa nova interpretação é usada no presente trabalho.…”

Section: Caracterização Da áRea E Materials De Estudo 31 Contexto Geounclassified

“…As amostras identificadas procedem de sete afloramentos (Figura 1 Bosetti et al, 2012). Círculos pretos representam os afloramentos estudados, de cima para baixo: Aldeia dos Pioneiros, Ponto Estrela, Alto do Amparo, Fazenda da Guarda, Desvio RibasTibagi (Aeroporto), Rio Caniú.…”

Section: Procedência E Repositóriounclassified

“…posicionamento estratigráfico e geográfico estão justificadas, sendo as mesmas atualizadas pelas datações apresentadas em Bosetti et al (2010Bosetti et al ( , 2011Bosetti et al ( , 2012 e Ghran et al (2013).…”

Section: Sobre Os Equinodermos Devonianos Da Bacia Do Paraná: Mudançaunclassified

“…Seu registro é ainda mais escasso no Brasil onde as primeiras ocorrências foram feitas por Scheffler & Fernandes (2003, 2007b) para as camadas devonianas (Formação São Domingos sensu Bosetti et al, 2012) da Bacia do Paraná.…”

Section: Introductionunclassified

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About Echinoderms of the Devonian of the Paraná Basin: Faunal Turnovers and Implications for Bioestratigraphic Utility

Scheffler¹,

Francisco

Bosetti

2017

Anuário IGEO UFRJ

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Palynology of a short sequence of the Lower Devonian Beartooth Butte Formation at Cottonwood Canyon (Wyoming): age, depositional environments and plant diversity

Noetinger

Bippus

Tomescu

2021

Papers in Palaeontology

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The Beartooth Butte Formation hosts the most extensive Early Devonian macroflora of western North America. The age of the flora at Cottonwood Canyon (Wyoming) has been constrained to the Lochkovian-Pragian interval, based on fish biostratigraphy and unpublished palynological data. We present a detailed palynological analysis of the plantbearing layers at Cottonwood Canyon. The palynomorphs consist of 32 spore, five cryptospore, two prasinophycean algae and an acritarch species. The stratigraphic ranges of these palynomorphs indicate a late Lochkovian or Pragian age, confirming previous age assignments. Analysis of samples from three different depositional environments of the plant-bearing sequence (layers with in situ lycophyte populations, flood layers that buried those populations and an organic matter accumulation zone within a flood layer) demonstrate distinct palynofacies. Comparisons between palynomorph and plant macrofossil diversity reveal some discrepancies. Whereas zosterophylls and lycophytes, most diverse and abundant among

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The first recorded decline of the Malvinokaffric Devonian fauna in the Paraná Basin (southern Brazil) and its cause; taphonomic and fossil evidences

Cited by 58 publications

References 27 publications

First report of Devonian bactritids (Cephalopoda) from South America: paleobiogeographic and biostratigraphic implications

First report of Devonian bactritids (Cephalopoda) from South America: paleobiogeographic and biostratigraphic implications

About Echinoderms of the Devonian of the Paraná Basin: Faunal Turnovers and Implications for Bioestratigraphic Utility

Palynology of a short sequence of the Lower Devonian Beartooth Butte Formation at Cottonwood Canyon (Wyoming): age, depositional environments and plant diversity

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