- Paleontology and Stratigraphy of Fossils
- Plant Diversity and Evolution
- Geological formations and processes
- Geology and Paleoclimatology Research
- Fern and Epiphyte Biology
- Marine and coastal plant biology
- Aquatic Ecosystems and Phytoplankton Dynamics
- Geography and Environmental Studies
- Fish biology, ecology, and behavior
- Paleontology and Evolutionary Biology
- Geochemistry and Geologic Mapping
- Plant and Fungal Species Descriptions
- Agricultural and Food Sciences
- Diatoms and Algae Research
- Geological and Geochemical Analysis
- Geological Studies and Exploration
- Environmental and biological studies
- Soil Management and Crop Yield
- Marine Biology and Ecology Research
Universidade Federal do Rio Grande do Sul
2010-2023
Instituto de Geociencias
2012
Ohio University
1983
The sedimentary section at the Quitéria outcrop (Pantano Grande, central portion of Rio Grande do Sul State, Brazil) carries diverse and abundant fossil associations plants palynomorphs. This includes coal deposits Early Permian Bonito Formation in Paraná Basin. contribution presents a taxonomic re-evaluation on paleobotanical records based an in-depth revision available data as well direct analysis from materials deposited collections (published unpublished). A list is presented, anlysis...
The Bainha Outcrop, located in the Municipality of Criciúma, Santa Catarina State, corresponds to deposits "Irapuá Bed," Rio Bonito Formation, and it is considered one richest phytofossiliferous sites Paraná Basin, representative "Glossopteris Flora."However, Sphenophytes are poorly represented this taphoflora.In contribution, some so far unpublished samples analyzed, which allowed us confirm, for first time, occurrence Indian morphogenus Giridia Lower Permian Basin.Two distinct morphotypes...
STATE, BRAZIL.This paper records the first fossil plants from Taió Municipality (Santa Catarina State, Brazil), represented by remains of Sphenopsida.This macrofloral record was identified in outcrops corresponding to basal portion Rio Bonito Formation (Lower Permian Paraná Basin).The studied material is made up specimens Phyllotheca australis and Paracalamites australis, which were collected near left margin River.The beds containing this macroflora are overlaid deposits with well-known...
New paleobotanic material recovered in the Rio Grande do Sul State, southernmost Brazil, allowed to identification of Glossopteris browniana Brongniart for first time upper levels Quiteria outcrop. In this way, stratigraphic range species is extended up Subzona Botrychiopsis valida . G. here considered be restricted Bonito Formation, recently as being deposited a Sakmarian – late Artinskian interval, and guide-species uppermost plant zones from State southern areas Parana Basin. The improves...
Este trabalho trata do estudo de restos Sphenophyta identificados em niveis correspondentes ao topo Subgrupo Itarare no afloramento Morro Papaleo, Mariana Pimentel, Rio Grande Sul, atribuidos Sakmariano tardio (Permiano Inferior). Os mencionados permitiram o estabelecimento uma nova especie P. brevifolia para genero Phyllotheca , caracterizada pela presenca bainha extremamente curta e adpressa caule, nem sempre recobrindo por completo os inter-nos, especial nos ramos proximais da planta,...
The Carboniferous was marked by the expansion and contraction of Late Paleozoic Ice Age ice sheets with three recognized glacial peaks in deposits from Gondwanan basins. Despite extensive characterization episodes high paleolatitude records, resulting changes atmospheric circulation patterns were scarcely identified mid- low latitudes Gondwana. Thus, this study proposes to characterize climatic influence Middle Pennsylvanian episode regions without behavior zones mid-latitudes during...