Abstract
The micro and macro fauna of invertebrates present in the intracratonic basins of Paraná, Amazonas and Parnaíba are relatively well know and documented in the literature. However, the northeast portion of the Paraná Basin which covers Mato Grosso and Goiás states is too much poor in paleofaunistic studies. Recent works shows that during the final of Eifelian to Frasnian (Middle-Upper Devo…