Yngve Grahn

Earth and Planetary Sciences · Physical Sciences

30h-index2.8kcitations85works0.02yr avg
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Research Topics

Paleontology and Stratigraphy of Fossils(65), Marine Biology and Ecology Research(32), Geology and Paleoclimatology Research(16), Geological formations and processes(15), Paleontology and Evolutionary Biology(13)

Publications85 total

Palynology and geochemistry of the Frasnian global transgression in the Parnaíba Basin, Brazil
Review of Palaeobotany and Palynology·2020· 7 citedOpen Access
A marine connection between Parnaíba and Paraná basins during the Eifelian/Givetian transition: review and new data
Revista Brasileira de Paleontologia·2017· 33 citedOpen Access
Observações sobre as idades dos fósseis descritos por John Mason Clarke, em 1913. DOI: 10.5212/TerraPlural.v.7iEspecial.0002
LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)·2014
Remarks on sequence stratigraphy and taphonomy of the Malvinokaffric shelly fauna during the KAČÁK Event in the Apucarana Sub-basin (Paraná Basin), Brazil
International Journal of Earth Sciences·2013· 50 cited
Observações sobre as idades dos fósseis descritos por John Mason Clarke, em 1913
Terr Plural·2013Open Access
The first recorded decline of the Malvinokaffric Devonian fauna in the Paraná Basin (southern Brazil) and its cause; taphonomic and fossil evidences
Journal of South American Earth Sciences·2012· 69 cited
Palynology and sequence stratigraphy of three Devonian rock units in the Apucarana Sub-basin (Paraná Basin, south Brazil): Additional data and correlation
Review of Palaeobotany and Palynology·2011· 97 cited
Middle Devonian spore stratigraphy in the eastern outcrop belt of the Parnaíba Basin, northeastern Brazil
Hispana·2011· 17 cited
The Furnas/Ponta Grossa contact and the age of the lowermost Ponta Grossa Formation in the Apucarana Sub-Basin (Paraná Basin, Brazil): integrated palynological age determination
Revista Brasileira de Paleontologia·2010· 41 citedOpen Access
Emergence, biodiversification and extinction of the chitinozoan group
Geological Magazine·2010· 57 cited
Dedicated to the memory of late Prof. Dr. Maurits Lindström, forever the expert on the Ordovician of Sweden
Palaeontographica Abteilung B·2010· 29 cited
An earliest Givetian “Lilliput Effect” in the Paraná Basin, and the collapse of the Malvinokaffric shelly fauna
Paläontologische Zeitschrift·2010· 77 cited
Seixos depositados por tempestades durante o Eoemsiano na Formação Ponta Grossa, Bacia do Paraná (estado do Paraná, Brasil)
Revista Brasileira de Geociências·2010· 1 cited
Storm deposited pebble and cobble-sized particles in the early Emsian of the Ponta Grossa Formation, Paraná Basin (state of Paraná, Brazil)
Revista Brasileira de Geociências·2010· 4 cited
Palynostratigraphy of the Chapada Group and its significance in the Devonian stratigraphy of the Paraná Basin, south Brazil
Journal of South American Earth Sciences·2009· 63 cited
Palynostratigraphy from the Lower devonian of the Paraná Basin, South Brazil, and a revision of contemporary chitinozoan biozones from Western Gondwana
Stratigraphy·2009· 26 cited
Middle Devonian chitinozoan biostratigraphy and sedimentology in the eastern outcrop belt of the Parnaíba Basin, northeastern Brazil
Revista Brasileira de Paleontologia·2008· 34 citedOpen Access
Resultados bioestratigraficos da parte norte sub-bacia de Alto Garcas do Devoniano inferior da bacia do Parana, Brasil
2008
Remarks on older Ordovician Chitinozoa and biostratigraphy of the Oslo Region, southern Norway
GFF·2007· 10 cited
Ordovician Chitinozoa and biostratigraphy from Skane and Bornholm, southernmost Scandinavia - an overview and update
Bulletin of Geosciences·2007· 37 cited
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Frequent Co-authors

Jaak Nõlvak(7), Paula Mendlowicz Mauller(7), Elvio Pinto Bosetti(6), Florentin Paris(5), Rodrigo Scalise Horodyski(4), Stig M. Bergström(3), Theresa Winchester-Seeto(3), José Henrique G. Melo(3), Sérgio Bergamaschi(2), Pierre Breuer(2), Egberto Pereira(2), Philippe Steemans(2), J.H.G. Melo(2), A. Achab(2), Esther Asselin(2), Joakim Samuelsson(2), Jacques Verniers(2), Mário V. Caputo(1), Viiu Nestor(1), İskra Lakova(1)