Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran]]>

摘要

Graphical abstract Display Omitted Highlights ? First report of Namacalathus in the Ediacaran record of the Gondwana. ? Occurrence with Cloudina and Corumbella increase the ecologic complexity. ? Paleogeographic distribution indicate dispersion by oceanic warm currents. ? Namacalathus can be considered as a guide fossil for the Ediacaran.