Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.5327/Z1519-874X2008000100004 http://hdl.handle.net/11449/70380 |
Resumo: | Some Upper Permian conchostracans from the Rio do Rasto Formation (Paraná Basin, South Brazil) have very characteristic recurved growth lines at the dorsal margin. All previously described specimens were classified as Palaeolimnadiopsis subalata (Reed) Raymond. However, a re-analysis of these fossils and of additional recently- collected specimens demonstrated that not all can be included in a single species, nor only in the Family Palaeolimnadiopseidae. According to their shape and the size of the umbo, they are classified into three species. The sub-elliptic carapaces with small anterior umbo are maintained in Palaeolimnadiopsis subalata (Reed, 1929) Raymond, 1946. The sub-circular carapaces with small sub-central umbo correspond to the new species Palaeolimnadiopsis riorastensis. The small size of the umbo is a character of the Family Palaeolimnadiopseidae. The small elliptic valves with large anterior umbo are assigned to the new species Falsisca brasiliensis of the Family Perilimnadiidae, which is characterized by large umbos. Palaeolimnadiopsis has a wide chronostratigraphic distribution, but Falsisca is restricted to the Upper Permian-Lower Triassic of Europe and Asia. This interval is in agreement with the probable Late Permian age of the respective strata of the Rio do Rasto Formation. Falsisca was not previously recorded in Gondwana. |
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Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, BrasilConchostracans with recurved growth lines at the dorsal margin (Family Palaeolimnadiopseidae and Perilimnadiidae) from the Rio do Rasto Formation, Upper Permian, Parana Basin, BrazilConchostracaPalaeolimnadiopseidaeParaná BbasinPerilimnadiidaeUpper Permianbivalvechronostratigraphyfossilgrowthmorphologynew speciesPermianTriassicParana BasinSouth AmericaFalsiscaSome Upper Permian conchostracans from the Rio do Rasto Formation (Paraná Basin, South Brazil) have very characteristic recurved growth lines at the dorsal margin. All previously described specimens were classified as Palaeolimnadiopsis subalata (Reed) Raymond. However, a re-analysis of these fossils and of additional recently- collected specimens demonstrated that not all can be included in a single species, nor only in the Family Palaeolimnadiopseidae. According to their shape and the size of the umbo, they are classified into three species. The sub-elliptic carapaces with small anterior umbo are maintained in Palaeolimnadiopsis subalata (Reed, 1929) Raymond, 1946. The sub-circular carapaces with small sub-central umbo correspond to the new species Palaeolimnadiopsis riorastensis. The small size of the umbo is a character of the Family Palaeolimnadiopseidae. The small elliptic valves with large anterior umbo are assigned to the new species Falsisca brasiliensis of the Family Perilimnadiidae, which is characterized by large umbos. Palaeolimnadiopsis has a wide chronostratigraphic distribution, but Falsisca is restricted to the Upper Permian-Lower Triassic of Europe and Asia. This interval is in agreement with the probable Late Permian age of the respective strata of the Rio do Rasto Formation. Falsisca was not previously recorded in Gondwana.Departamento de Geologia Aplicada Instituto de Geociências e Ciências Exatas UNESP, Av. 24-A 1515, CEP 13506-900, Rio Claro, SRDepartamento de Geologia Aplicada Instituto de Geociências e Ciências Exatas UNESP, Av. 24-A 1515, CEP 13506-900, Rio Claro, SRUniversidade Estadual Paulista (Unesp)Ferreira-Oliveira, Luis Gustavo [UNESP]Rohn, Rosemarie [UNESP]2014-05-27T11:23:31Z2014-05-27T11:23:31Z2008-04-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article41-52application/pdfhttp://dx.doi.org/10.5327/Z1519-874X2008000100004Geologia USP - Serie Cientifica, v. 8, n. 1, p. 41-52, 2008.1519-874Xhttp://hdl.handle.net/11449/7038010.5327/Z1519-874X20080001000042-s2.0-458490861772-s2.0-45849086177.pdf89362751611971310000-0001-6110-4194Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporGeologia USP: Serie Cientificainfo:eu-repo/semantics/openAccess2024-01-26T06:32:05Zoai:repositorio.unesp.br:11449/70380Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-06T00:01:47.091217Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil Conchostracans with recurved growth lines at the dorsal margin (Family Palaeolimnadiopseidae and Perilimnadiidae) from the Rio do Rasto Formation, Upper Permian, Parana Basin, Brazil |
title |
Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil |
spellingShingle |
Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil Ferreira-Oliveira, Luis Gustavo [UNESP] Conchostraca Palaeolimnadiopseidae Paraná Bbasin Perilimnadiidae Upper Permian bivalve chronostratigraphy fossil growth morphology new species Permian Triassic Parana Basin South America Falsisca |
title_short |
Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil |
title_full |
Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil |
title_fullStr |
Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil |
title_full_unstemmed |
Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil |
title_sort |
Conchostráceos com linhas de crescimento recurvadas junto à margem dorsal (Famílias Palaeolimnadiopseidae e Perilimnadiidae) da Formação Rio do Rasto, permiano superior, Bacia do Paraná, Brasil |
author |
Ferreira-Oliveira, Luis Gustavo [UNESP] |
author_facet |
Ferreira-Oliveira, Luis Gustavo [UNESP] Rohn, Rosemarie [UNESP] |
author_role |
author |
author2 |
Rohn, Rosemarie [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Ferreira-Oliveira, Luis Gustavo [UNESP] Rohn, Rosemarie [UNESP] |
dc.subject.por.fl_str_mv |
Conchostraca Palaeolimnadiopseidae Paraná Bbasin Perilimnadiidae Upper Permian bivalve chronostratigraphy fossil growth morphology new species Permian Triassic Parana Basin South America Falsisca |
topic |
Conchostraca Palaeolimnadiopseidae Paraná Bbasin Perilimnadiidae Upper Permian bivalve chronostratigraphy fossil growth morphology new species Permian Triassic Parana Basin South America Falsisca |
description |
Some Upper Permian conchostracans from the Rio do Rasto Formation (Paraná Basin, South Brazil) have very characteristic recurved growth lines at the dorsal margin. All previously described specimens were classified as Palaeolimnadiopsis subalata (Reed) Raymond. However, a re-analysis of these fossils and of additional recently- collected specimens demonstrated that not all can be included in a single species, nor only in the Family Palaeolimnadiopseidae. According to their shape and the size of the umbo, they are classified into three species. The sub-elliptic carapaces with small anterior umbo are maintained in Palaeolimnadiopsis subalata (Reed, 1929) Raymond, 1946. The sub-circular carapaces with small sub-central umbo correspond to the new species Palaeolimnadiopsis riorastensis. The small size of the umbo is a character of the Family Palaeolimnadiopseidae. The small elliptic valves with large anterior umbo are assigned to the new species Falsisca brasiliensis of the Family Perilimnadiidae, which is characterized by large umbos. Palaeolimnadiopsis has a wide chronostratigraphic distribution, but Falsisca is restricted to the Upper Permian-Lower Triassic of Europe and Asia. This interval is in agreement with the probable Late Permian age of the respective strata of the Rio do Rasto Formation. Falsisca was not previously recorded in Gondwana. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-04-01 2014-05-27T11:23:31Z 2014-05-27T11:23:31Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.5327/Z1519-874X2008000100004 Geologia USP - Serie Cientifica, v. 8, n. 1, p. 41-52, 2008. 1519-874X http://hdl.handle.net/11449/70380 10.5327/Z1519-874X2008000100004 2-s2.0-45849086177 2-s2.0-45849086177.pdf 8936275161197131 0000-0001-6110-4194 |
url |
http://dx.doi.org/10.5327/Z1519-874X2008000100004 http://hdl.handle.net/11449/70380 |
identifier_str_mv |
Geologia USP - Serie Cientifica, v. 8, n. 1, p. 41-52, 2008. 1519-874X 10.5327/Z1519-874X2008000100004 2-s2.0-45849086177 2-s2.0-45849086177.pdf 8936275161197131 0000-0001-6110-4194 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Geologia USP: Serie Cientifica |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
41-52 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
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1808129574233440256 |