Sommerxylon spiralosus from Upper Triassic in southernmost Paraná Basin (Brazil): a new taxon with taxacean affinity

by Etiene F. Pires, Margot Guerra-Sommer
Published 2004-09-01

Epidermal morphology of the cordaitalean leaf Noeggerathiopsis brasiliensis nom. nov. from the southern Paraná Basin (Lower Permian, Rio Bonito Formation) and paleoenvironmental co...

by Isabela Degani-Schmidt, Margot Guerra-Sommer

Growth ring analysis of fossil coniferous woods from early cretaceous of Araripe Basin (Brazil)

by Etiene F. Pires, Margot Guerra-Sommer
Published 2011-06-01

Coricladus quiteriensis gen. et sp. nov., a new conifer in Southern-Brazil Gondwana (Lower Permian, Paraná Basin)

by André Jasper, Fresia Ricardi-Branco, Margot Guerra-Sommer
Published 2005-03-01

The Botrychiopsis genus and its biostratigraphic implications in Southern Paraná Basin

by André Jasper, Margot Guerra-Sommer, Miriam Cazzulo-Klepzig, Rualdo Menegat
Published 2003-12-01

O significado estratigráfico do Complexo Solenoide no Permiano do Gondwana

by Margot Guerra-Sommer, Isabela Degani-Schmidt, Diana Mussa, Pauline Sabina Kavali, Mahesh Shivanna
Published 2014-06-01

The stratigraphic significance of the Solenoid Complex in the Permian of Gondwana

by Margot Guerra-Sommer, Isabela Degani-Schmidt, Diana Mussa (in memoriam), Pauline Sabina Kavali, Mahesh Shivanna
Published 2014-06-01

Permian plants from the Chutani Formation (Titicaca Group, Northern Altiplano of Bolivia): I. Genera Pecopteris and Asterotheca

by Carlos E. L. Vieira, Roberto Iannuzzi, Margot Guerra-Sommer, Enrique Díaz-Matrínez, George W. Grader
Published 2004-03-01

Charcoal remains from a tonstein layer in the Faxinal Coalfield, Lower Permian, southern Paraná Basin, Brazil

by André Jasper, Dieter Uhl, Margot Guerra-Sommer, Abdalla M. B Abu Hamad, Neli T. G Machado
Published 2011-06-01

Permian plants from the Chutani Formation (Titicaca Group, Northern Altiplano of Bolivia): II. The morphogenus Glossopteris

by Roberto Iannuzzi, Carlos E. L. Vieira, Margot Guerra-Sommer, Enrique Díaz-Martínez, George W. Grader
Published 2004-03-01

Bentonitas da Formação Irati no setor sul da Bacia do Paraná

by Aurelio Fagundes Silva, Norberto Dani, Marcus Vinicius Dornelles Remus, Margot Guerra Sommer, Bruno Ludovico Dihl Horn
Published 2017-04-01

Record of the genus Lycopodites in the Lower Permian of Paraná Basin, Brazil

by Juliana Salvi, André Jasper, Fresia Ricardi-Branco, Mary Elizabeth C. Bernardes-de-Oliveira, Margot Guerra-Sommer
Published 2008-09-01

Relation between the sedimentary organic record and the climatic oscilations in the Holocene attested by palynofacies and organic geochemical analyses from a pond of altitude in so...

by GABRIELLI T. GADENS-MARCON, JOÃO G. MENDONÇA-FILHO, MARGOT GUERRA-SOMMER, MARCELO A. CARVALHO, ETIENE F. PIRES, LÉO A. HARTMANN
Published 2014-09-01

The Artinskian Siderópolis Member macroflora, Rio Bonito Formation and its stratigraphical correlation with other early Permian macrofloras of Paraná Basin, Brazil

by Mary Elizabeth Cerruti Bernardes-de-Oliveira, Sandra Eiko Mune, Maria Judite Garcia, Roberto Iannuzzi, Margot Guerra-Sommer, André Jasper, Pauline Sabina Kavali, Mahesh Shivanna, Karoline Gonçalves Pereira
Published 2016-12-01

Indo-Brazilian Late Palaeozoic wildfires: an overview on macroscopic charcoal

by André Jasper, Dieter Uhl, Rajni Tewari, Margot Guerra-Sommer, Rafael Spiekermann, Joseline Manfroi, Isa Carla Osterkamp, José Rafael Wanderley Benício, Mary Elizabeth Cerruti Bernardes-de-Oliveira, Etiene Fabbrin Pires, Átila Augusto Stock da Rosa
Published 2016-12-01