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Mostrando ítems 1-10 de 13
Calibrating the Ediacaran-Cambrian transition in the SW Gondwana
(Consejo Superior Investigaciones Cientificas-csic, 2019-01-01)
The paleontological, isotopic and geochronological data summarized below support the paleogeographic and temporal correlation between Itapucumi (Paraguay) and Corumba (Brazil) groups, suggesting a coeval sedimentary evolution ...
Calibrating the Ediacaran-Cambrian transition in the SW Gondwana
(2019-01-01)
The paleontological, isotopic and geochronological data summarized below support the paleogeographic and temporal correlation between Itapucumi (Paraguay) and Corumbá (Brazil) groups, suggesting a coeval sedimentary evolution ...
Paleobiologia de Corumbella werneri (Ediacarano, Grupo Corumbá): implicações paleoecológicas e evolutivas
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ecologia e Recursos Naturais - PPGERNCâmpus São Carlos, 2018-05-18)
The Edicaran period (635-541 Ma) was characterized by great changes on the planet, among them, important modifications on the biosphere. In this time interval there was a diversification of unicellular Eucarya, including ...
Trace fossils and the agronmomic revolution at the Neoproterozoic – Cambrian transition in Southwest Gondwana
(Elsevier, 2009-12)
The Ediacaran-Early Cambrian transition in the southwestern margin of Gondwana is represented in the Andean Margin of South America by the thick sequence of the Puncoviscana Basin. In southern Africa, the Nama and Vanrhynsdorp ...
Taxonomic revision of Ediacaran tubular fossils: Cloudina, Sinotubulites and Conotubus
(2021-01-01)
The Ediacaran tubular fossils Cloudina, Sinotubulites, and Conotubus are taxonomically revised with type materials. It is proposed that Aulophycus lucianoi Beurlen and Sommer, 1957, is not a senior synonym of Cloudina ...
Paleobiology of the Itajaí Basin (Ediacaran, Santa Catarina, Brazil): evolutionary, paleoecological and taphonomical implications
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ecologia e Recursos Naturais - PPGERNCâmpus São Carlos, 2020-06-04)
New studies on the geologic history of Earth are increasingly revealing the complex relationships among evolutionary patterns, diversification of major groups, and environmental changes. In the fossil record of the Ediacaran ...
Ediacaran metazoan fossil record from South America and its implications in the studies about origin and complexification of animal lifeO registro fossilífero de metazoários ediacaranos na América do Sul e suas implicações nos estudos sobre origem e complexificação da vida animal
(Universidade de São Paulo, Instituto de Geociências, 2013)
Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran
(Elsevier B.V., 2017-09-01)
The intriguing Ediacaran fossil Namacalathus is described from limestones of the Tagatiya Guazu Formation, Itapucumi Group, Paraguay. This is the fifth occurrence of the genus in the Ediacaran geological record. The ...
Ediacaran discs from South America: probable soft-bodied macrofossils unlock the paleogeography of the Clymene Ocean
(Nature Publishing Group, 2016-07-27)
The origin, affinity and paleoecology of macrofossils of soft-bodied organisms of the terminal Ediacaran Period have been highly debated. Previous discoveries in South America are restricted to small shelly metazoans of ...
Ediacaran discs from South America: Probable soft-bodied macrofossils unlock the paleogeography of the Clymene Ocean
(Nature Publishing Group, 2016-07)
The origin, affinity and paleoecology of macrofossils of soft-bodied organisms of the terminal Ediacaran Period have been highly debated. Previous discoveries in South America are restricted to small shelly metazoans of ...