Now showing items 1-2 of 2
Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran
(Precambrian Research, 2017-09-01) [Artigo]
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 ...
Upper Aptian mixed carbonate-siliciclastic sequences from Tucano Basin, Northeastern Brazil: Implications for paleogeographic reconstructions following Gondwana break-up
(Cretaceous Research, 2016-12-01) [Artigo]
The evolution of the Cretaceous basins of the Brazilian northeastern hinterland was associated with the Gondwana rifting and opening of the South Atlantic Ocean. The first marine ingression in northeastern Brazil occurred ...