Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil

Autores
García Muro, Victoria Josefina; Rubinstein, Claudia Viviana; Pereira, Egberto; Steemans, P.
Año de publicación
2022
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
The depositional sequence of the Ponta Grossa Formation (Paraná Basin) corresponds to a wave-dominated shallow marine environment, represented by four coarsening-upwards cycles, limited by flooding surfaces. Previous studies on a well-preserved and diverse assemblage of miospores indicated a late Pragian to possibly middle Emsian age. The palynological analysis of the Jaciara section is completed herein with the analysis of the marine fraction, composed of highly abundant and diverse organic-walled phytoplankton, with over 150 species recognized so far (Repository: EDDy Lab/Palynology). The phytoplankton species, such as Bimerga paula, B. sp. aff. B. bensonii, B. nuda, Cordobesia oriental, C. uruguayensis, Palacanthus ledanoisii, Pyloferites escobaides and Winwaloeusia distracta, recorded in the lower part of the section, indicate a late Pragian age, in coincidence with the miospores age. The clorophyte taxa, mainly  represented by the genera Cymatiosphaera, Polyedryxium and Pterospermella, are remarkably abundant in this part of the section. Navifusa spp. and Pterospermella pernambucensis first appear in the middle part of the studied section, suggesting an Emsian age, as do the miospores. It is noteworthy the abundance and morphological variability exhibited by the genera Pyloferites and  Schizocystia through the section, including some new species. The diversity and  preservation quality of the phytoplankton tend to decrease towards the top of the section, probably related to a general shallowing trend. The presence of Bimerga, Cordobesia, Pyloferites, Schizocystia and Winwaloeusia, restricted to Gondwana, corroborate affinities with this paleocontinent. The marine palynomorphs also evidence paleogeobiographical relationships with other Devonian South American basins of Brazil, Argentina, Bolivia and Uruguay.
Fil: García Muro, Victoria Josefina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
Fil: Rubinstein, Claudia Viviana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
Fil: Pereira, Egberto. Universidade do Estado de Rio do Janeiro; Brasil
Fil: Steemans, P.. Université de Liège; Bélgica
XII Congreso de la Asociación Paleontológica Argentina
Ciudad Autónoma de Buenos Aires
Argentina
Asociación Paleontológica Argentina
Materia
ORGANIC-WALLED PHYTOPLANKTON
DEVONIAN
PARANA BASIN
BRAZIL
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/234962
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, BrazilGarcía Muro, Victoria JosefinaRubinstein, Claudia VivianaPereira, EgbertoSteemans, P.ORGANIC-WALLED PHYTOPLANKTONDEVONIANPARANA BASINBRAZILhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The depositional sequence of the Ponta Grossa Formation (Paraná Basin) corresponds to a wave-dominated shallow marine environment, represented by four coarsening-upwards cycles, limited by flooding surfaces. Previous studies on a well-preserved and diverse assemblage of miospores indicated a late Pragian to possibly middle Emsian age. The palynological analysis of the Jaciara section is completed herein with the analysis of the marine fraction, composed of highly abundant and diverse organic-walled phytoplankton, with over 150 species recognized so far (Repository: EDDy Lab/Palynology). The phytoplankton species, such as Bimerga paula, B. sp. aff. B. bensonii, B. nuda, Cordobesia oriental, C. uruguayensis, Palacanthus ledanoisii, Pyloferites escobaides and Winwaloeusia distracta, recorded in the lower part of the section, indicate a late Pragian age, in coincidence with the miospores age. The clorophyte taxa, mainly  represented by the genera Cymatiosphaera, Polyedryxium and Pterospermella, are remarkably abundant in this part of the section. Navifusa spp. and Pterospermella pernambucensis first appear in the middle part of the studied section, suggesting an Emsian age, as do the miospores. It is noteworthy the abundance and morphological variability exhibited by the genera Pyloferites and  Schizocystia through the section, including some new species. The diversity and  preservation quality of the phytoplankton tend to decrease towards the top of the section, probably related to a general shallowing trend. The presence of Bimerga, Cordobesia, Pyloferites, Schizocystia and Winwaloeusia, restricted to Gondwana, corroborate affinities with this paleocontinent. The marine palynomorphs also evidence paleogeobiographical relationships with other Devonian South American basins of Brazil, Argentina, Bolivia and Uruguay.Fil: García Muro, Victoria Josefina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; ArgentinaFil: Rubinstein, Claudia Viviana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; ArgentinaFil: Pereira, Egberto. Universidade do Estado de Rio do Janeiro; BrasilFil: Steemans, P.. Université de Liège; BélgicaXII Congreso de la Asociación Paleontológica ArgentinaCiudad Autónoma de Buenos AiresArgentinaAsociación Paleontológica ArgentinaAsociación Paleontológica Argentina2022info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectCongresoJournalhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/234962Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil; XII Congreso de la Asociación Paleontológica Argentina; Ciudad Autónoma de Buenos Aires; Argentina; 2021; 185-1862469-0228CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.peapaleontologica.org.ar/index.php/peapa/article/view/422info:eu-repo/semantics/altIdentifier/doi/10.5710/PEAPA.23.03.2022.422Nacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:23:44Zoai:ri.conicet.gov.ar:11336/234962instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:23:44.828CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil
title Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil
spellingShingle Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil
García Muro, Victoria Josefina
ORGANIC-WALLED PHYTOPLANKTON
DEVONIAN
PARANA BASIN
BRAZIL
title_short Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil
title_full Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil
title_fullStr Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil
title_full_unstemmed Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil
title_sort Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil
dc.creator.none.fl_str_mv García Muro, Victoria Josefina
Rubinstein, Claudia Viviana
Pereira, Egberto
Steemans, P.
author García Muro, Victoria Josefina
author_facet García Muro, Victoria Josefina
Rubinstein, Claudia Viviana
Pereira, Egberto
Steemans, P.
author_role author
author2 Rubinstein, Claudia Viviana
Pereira, Egberto
Steemans, P.
author2_role author
author
author
dc.subject.none.fl_str_mv ORGANIC-WALLED PHYTOPLANKTON
DEVONIAN
PARANA BASIN
BRAZIL
topic ORGANIC-WALLED PHYTOPLANKTON
DEVONIAN
PARANA BASIN
BRAZIL
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The depositional sequence of the Ponta Grossa Formation (Paraná Basin) corresponds to a wave-dominated shallow marine environment, represented by four coarsening-upwards cycles, limited by flooding surfaces. Previous studies on a well-preserved and diverse assemblage of miospores indicated a late Pragian to possibly middle Emsian age. The palynological analysis of the Jaciara section is completed herein with the analysis of the marine fraction, composed of highly abundant and diverse organic-walled phytoplankton, with over 150 species recognized so far (Repository: EDDy Lab/Palynology). The phytoplankton species, such as Bimerga paula, B. sp. aff. B. bensonii, B. nuda, Cordobesia oriental, C. uruguayensis, Palacanthus ledanoisii, Pyloferites escobaides and Winwaloeusia distracta, recorded in the lower part of the section, indicate a late Pragian age, in coincidence with the miospores age. The clorophyte taxa, mainly  represented by the genera Cymatiosphaera, Polyedryxium and Pterospermella, are remarkably abundant in this part of the section. Navifusa spp. and Pterospermella pernambucensis first appear in the middle part of the studied section, suggesting an Emsian age, as do the miospores. It is noteworthy the abundance and morphological variability exhibited by the genera Pyloferites and  Schizocystia through the section, including some new species. The diversity and  preservation quality of the phytoplankton tend to decrease towards the top of the section, probably related to a general shallowing trend. The presence of Bimerga, Cordobesia, Pyloferites, Schizocystia and Winwaloeusia, restricted to Gondwana, corroborate affinities with this paleocontinent. The marine palynomorphs also evidence paleogeobiographical relationships with other Devonian South American basins of Brazil, Argentina, Bolivia and Uruguay.
Fil: García Muro, Victoria Josefina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
Fil: Rubinstein, Claudia Viviana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Provincia de Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales. Universidad Nacional de Cuyo. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
Fil: Pereira, Egberto. Universidade do Estado de Rio do Janeiro; Brasil
Fil: Steemans, P.. Université de Liège; Bélgica
XII Congreso de la Asociación Paleontológica Argentina
Ciudad Autónoma de Buenos Aires
Argentina
Asociación Paleontológica Argentina
description The depositional sequence of the Ponta Grossa Formation (Paraná Basin) corresponds to a wave-dominated shallow marine environment, represented by four coarsening-upwards cycles, limited by flooding surfaces. Previous studies on a well-preserved and diverse assemblage of miospores indicated a late Pragian to possibly middle Emsian age. The palynological analysis of the Jaciara section is completed herein with the analysis of the marine fraction, composed of highly abundant and diverse organic-walled phytoplankton, with over 150 species recognized so far (Repository: EDDy Lab/Palynology). The phytoplankton species, such as Bimerga paula, B. sp. aff. B. bensonii, B. nuda, Cordobesia oriental, C. uruguayensis, Palacanthus ledanoisii, Pyloferites escobaides and Winwaloeusia distracta, recorded in the lower part of the section, indicate a late Pragian age, in coincidence with the miospores age. The clorophyte taxa, mainly  represented by the genera Cymatiosphaera, Polyedryxium and Pterospermella, are remarkably abundant in this part of the section. Navifusa spp. and Pterospermella pernambucensis first appear in the middle part of the studied section, suggesting an Emsian age, as do the miospores. It is noteworthy the abundance and morphological variability exhibited by the genera Pyloferites and  Schizocystia through the section, including some new species. The diversity and  preservation quality of the phytoplankton tend to decrease towards the top of the section, probably related to a general shallowing trend. The presence of Bimerga, Cordobesia, Pyloferites, Schizocystia and Winwaloeusia, restricted to Gondwana, corroborate affinities with this paleocontinent. The marine palynomorphs also evidence paleogeobiographical relationships with other Devonian South American basins of Brazil, Argentina, Bolivia and Uruguay.
publishDate 2022
dc.date.none.fl_str_mv 2022
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
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info:ar-repo/semantics/documentoDeConferencia
status_str publishedVersion
format conferenceObject
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/234962
Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil; XII Congreso de la Asociación Paleontológica Argentina; Ciudad Autónoma de Buenos Aires; Argentina; 2021; 185-186
2469-0228
CONICET Digital
CONICET
url http://hdl.handle.net/11336/234962
identifier_str_mv Early devonian organic-walled phytoplankton from the Ponta Grossa Formation, Paraná Basin, Brazil; XII Congreso de la Asociación Paleontológica Argentina; Ciudad Autónoma de Buenos Aires; Argentina; 2021; 185-186
2469-0228
CONICET Digital
CONICET
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language eng
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info:eu-repo/semantics/altIdentifier/doi/10.5710/PEAPA.23.03.2022.422
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dc.publisher.none.fl_str_mv Asociación Paleontológica Argentina
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