Fernando Antonio Sedor
Federal University of Paraná
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Featured researches published by Fernando Antonio Sedor.
Anais Da Academia Brasileira De Ciencias | 2014
Victor E. Pauliv; Eliseu Vieira Dias; Fernando Antonio Sedor; Ana Maria Ribeiro
The Brazilian records on Xenacanthiformes include teeth and cephalic spines from the Parnaíba, Amazonas and Paraná basins. This work describes a new species of Xenacanthidae, collected in an outcrop of Serrinha Member of Rio do Rasto Formation (Wordian to Wuchiapingian), Paraná Basin, municipality of Jacarezinho, State of Paraná. The teeth of the new species are two or three-cuspidated and the aboral surface show a smooth concavity and one rounded basal tubercle. The coronal surface presents one semi-spherical and subcircular coronal button, and also two lateral main cusps and one central (when present) with less than one fifth of the size of the lateral cusps in the labial portion. The lateral cusps are asymmetric or symmetric, rounded in transversal section, lanceolate in longitudinal section, devoid of lateral carinae and lateral serrations, and with few smooth cristae of enameloid. In optical microscope the teeth show a trabecular dentine (osteodentine) base, while the cusps are composed by orthodentine, and the pulp cavities are non-obliterated by trabecular dentine. The fossil assemblage in the same stratigraphical level and in the whole Rio do Rasto Formation indicates another freshwater record for xenacanthid sharks.
Frontiers in Ecology and Evolution | 2017
Rafael Costa da Silva; Fernando Antonio Sedor
Despite subaqueous fossils tracks of tetrapods being quite common in the fossil record, few studies discuss their classification and morphofunctional interpretation. Despite their simple morphology, some important information about the trackmakers can be retrieved from these footprints. Subaqueous tracks were found in Brazil in the Irati Formation (Cisuralian, Permian), Parana Basin, and described as Mesosaurichnium natans, related to Mesosauridae. The tracks were produced in a shallow marine environment, whose substrate contained crustacean shells forming a thin layer. The mesosaurids produced tracks by swimming close to the bottom. The propulsion was provided by undulatory moves of the long tail, mainly for faster swimming. The feet could act as accessory and slower propellants, but provided more maneuverability.
Revista Brasileira de Ensino de Ciência e Tecnologia | 2013
Victor E. Pauliv; Luciana C. Carvalho; Camilla Felippe; Rafaela Bobato; Fernando Antonio Sedor
O Programa Ciencia Vai a Escola (PCVAE) foi criado em 1997 em uma parceria entre o Museu de Ciencias Naturais (MCN-SCB-UFPR) e Departamento de Genetica da Universidade Federal do Parana em conjunto com a Sociedade Brasileira para o Progresso da Ciencia, Regional Parana, tendo como pilares a educacao para a ciencia e a popularizacao, alfabetizacao e divulgacao cientifica. O PCVAE busca aproximar a universidade das escolas de educacao basica, contribuir para modificar as estruturas da educacao cientifica brasileira e inserir o conhecimento cientifico no cotidiano de estudantes, de professores e da comunidade em geral. O Programa e desenvolvido atraves de exposicoes itinerantes, palestras, cursos e oficinas em universidades, colegios, pracas e outros ambientes seguindo as seguintes etapas: observacao, reflexao, formulacao e teste de hipoteses e experimentacao. As atividades tambem abrangem a exposicao permanente “Os Seres Vivos no Ensino Fundamental e Medio” do MCN-SCB-UFPR com visitacoes monitoradas; confeccao de modelos didaticos e colecoes de material biologico para emprestimo; orientacao academica e de professores, entre outras. O planejamento destas acoes envolve pesquisa, estudo de assuntos cientificos e educacionais, preparacao do material, execucao e realizacao de avaliacoes continuas e periodicas para verificar a efetividade do PCVAE. Durante os 15 anos de atuacao o PCVAE junto ao MCN-SCB-UFPR atingiu mais de 120 mil participantes de cerca de 420 instituicoes diferentes, contribuindo significativamente nos seus objetivos de educar, alfabetizar, popularizar e divulgar a ciencia. Palavras-chave: Educacao para a Ciencia, Popularizacao cientifica e Divulgacao da Ciencia.
Journal of South American Earth Sciences | 2012
Rafael Costa da Silva; Fernando Antonio Sedor; Antonio Carlos Fernandes
Acta Biológica Paranaense | 2004
Fernando Antonio Sedor; Pollyana A. Born; Fábio M. Soares Dos Santos
Revista Brasileira De Paleontologia | 2004
Fernando Antonio Sedor
Revista Brasileira De Paleontologia | 2012
Victor E. Pauliv; Eliseu Vieira dIAS; Fernando Antonio Sedor
Brazilian Journal of Geology | 2009
Rafael Costa da Silva; Fernando Antonio Sedor; Antonio Carlos Fernandes
Journal of Mammalian Evolution | 2017
Fernando Antonio Sedor; Édison V. Oliveira; David Dias Da Silva; Luiz Alberto Fernandes; Renata Floriano da Cunha; Ana Maria Ribeiro; Eliseu Vieira Dias
Revista Brasileira De Paleontologia | 2012
David Dias Da Silva; Fernando Antonio Sedor; Ana Maria Ribeiro; Salvador França