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The Normalograptus persculptus Biozone in the Eusebio Ayala Formation, Paraná Basin, Eastern Paraguay
(John Wiley & Sons Ltd, 2011-12)
In this contribution we report a low diversity graptolite-trilobite fauna from the Eusebio
Ayala Formation (Itacurubí Group) exposed at the intracratonic Paraná Basin of eastern
Paraguay. Analyzed sections are composed ...