| The burning of Gondwana: Permian fires on the southern continent—a palaeobotanical approach A Jasper, M Guerra-Sommer, AMBA Hamad, M Bamford, ... Gondwana Research 24 (1), 148-160, 2013 | 104 | 2013 |
| Radiometric age determination of tonsteins and stratigraphic constraints for the Lower Permian coal succession in southern Paraná Basin, Brazil M Guerra-Sommer, M Cazzulo-Klepzig, JOS Santos, LA Hartmann, ... International Journal of Coal Geology 74 (1), 13-27, 2008 | 88 | 2008 |
| Which name (s) should be used for Araucaria‐like fossil wood?—Results of a poll R Rößler, M Philippe, JHA van Konijnenburg-van Cittert, S McLoughlin, ... Taxon 63 (1), 177-184, 2014 | 87 | 2014 |
| U–Pb dating of tonstein layers from a coal succession of the southern Paraná Basin (Brazil): a new geochronological approach M Guerra-Sommer, M Cazzulo-Klepzig, MLL Formoso, R Menegat, ... Gondwana Research 14 (3), 474-482, 2008 | 84 | 2008 |
| Geochronological data from the Faxinal coal succession, southern Paraná Basin, Brazil: a preliminary approach combining radiometric U-Pb dating and palynostratigraphy M Guerra-Sommer, M Cazzulo-Klepzig, R Menegat, MLL Formoso, ... Journal of South American Earth Sciences 25 (2), 246-256, 2008 | 67 | 2008 |
| Palaeobotanical evidence of wildfires in the late palaeozoic of South America–early permian, rio bonito formation, Paraná basin, Rio Grande do Sul, Brazil A Jasper, D Uhl, M Guerra-Sommer, V Mosbrugger Journal of South American Earth Sciences 26 (4), 435-444, 2008 | 65 | 2008 |
| Depositional cyclicity and paleoecological variability in an outcrop of Rio Bonito formation, Early Permian, Paraná Basin, Rio Grande do Sul, Brazil A Jasper, R Menegat, M Guerra-Sommer, M Cazzulo-Klepzig, ... Journal of South American Earth Sciences 21 (3), 276-293, 2006 | 65 | 2006 |
| Biostratigraphy of the southern Brazilian neopaleozoic Gondwana sequence: a preliminary palaeobotanical approach M Guerra-Sommer, M Cazzulo-Klepzig International Congrès de la Stratigraphie et Géologie du Carbonifère et …, 1993 | 59 | 1993 |
| Upper Paleozoic charcoal remains from South America: multiple evidences of fire events in the coal bearing strata of the Paraná Basin, Brazil A Jasper, D Uhl, M Guerra-Sommer, MEC Bernardes-de-Oliveira, ... Palaeogeography, Palaeoclimatology, Palaeoecology 306 (3-4), 205-218, 2011 | 57 | 2011 |
| Geochronological correlation of the main coal interval in Brazilian Lower Permian: Radiometric dating of tonstein and calibration of biostratigraphic framework MW Simas, M Guerra-Sommer, M Cazzulo-Klepzig, R Menegat, ... Journal of South American Earth Sciences 39, 1-15, 2012 | 55 | 2012 |
| Original biomass and coal deposition in southern Brazil (Lower Permian, Paraná Basin) M Guerra-Sommer, M Marques-Toigo, Z Corrêa da Silva Bulletin de la Societe Geologique de France;(France) 162 (2), 1991 | 45 | 1991 |
| Palynology and palaeobotany in the reconstruction of landscape units from the Candiota Coalfield, Permian of Paraná Basin, Brazil M Cazzulo-Klepzig, R Menegat, M Guerra-Sommer Revista Brasileira de Paleontologia 8 (1), 83-98, 2005 | 44 | 2005 |
| Charcoalified logs as evidence of hypautochthonous/autochthonous wildfire events in a peat-forming environment from the Permian of southern Paraná Basin (Brazil) I Degani-Schmidt, M Guerra-Sommer, J de Oliveira Mendonça, ... International Journal of Coal Geology 146, 55-67, 2015 | 43 | 2015 |
| Extending the database of permian palaeo-wildfire on Gondwana: charcoal remains from the Rio do Rasto Formation (Paraná Basin), middle permian, Rio Grande do Sul State, Brazil J Manfroi, D Uhl, M Guerra-Sommer, H Francischini, AG Martinelli, ... Palaeogeography, palaeoclimatology, palaeoecology 436, 77-84, 2015 | 41 | 2015 |
| Late Triassic climate in southernmost Parana Basin (Brazil): evidence from dendrochronological data EF Pires, MG Sommer, CM dos Santos Scherer Journal of South American Earth Sciences 18 (2), 213-221, 2005 | 40 | 2005 |
| Palaeobotanical evidence of wildfires in the Upper Permian of India: macroscopic charcoal remains from the Raniganj Formation, Damodar Valley Basin A Jasper, M Guerra-Sommer, D Uhl, MEC Bernardes-de-Oliveira, ... The Palaeobotanist 61 (1), 75-82, 2012 | 38 | 2012 |
| Early Cretaceous coniferous woods from a paleoerg (Paraná Basin, Brazil) EF Pires, M Guerra-Sommer, CM dos Santos Scherer, AR dos Santos, ... Journal of South American Earth Sciences 32 (1), 96-109, 2011 | 37 | 2011 |
| The Botrychiopsis genus and its biostratigraphic implications in Southern Paraná Basin A Jasper, M Guerra-Sommer, M Cazzulo-Klepzig, R Menegat Anais da Academia Brasileira de Ciências 75, 513-535, 2003 | 34 | 2003 |
| Paleoecological patterns at the coal-roof shale transition in an outcrop of the Permian Brazilian Gondwana M Guerra-Sommer, M Cazzulo-Klepzig, A Jasper, W Kalkreuth, ... Revista Brasileira de Paleontologia 11 (1), 11-26, 2008 | 33 | 2008 |
| Afloramentos da área de Trombudo Central, Permiano Inferior, Santa Catarina: palinologia, icnologia e sedimentologia M Marques-Toigo, ME Dias-Fabrício, M Guerra-Sommer, ... CONGRESSO BRASILEIRO DE PALEONTOLOGIA 11 (1989), 43-44, 1989 | 33 | 1989 |
