End of a modern geological myth: there are no rudists in Brazil! Paleobiogeographic implications

Carnets de Geologie: Notebooks of geology

关键词: Rudists;    Ostreids;    Pycnodontids;    corals;    Orbitolinids;    calcareous algae;    Cretaceous;    Albian;    Cenomanian;    South Atlantic;    Tethys;    Mesogea;    Chloralgal;    paleobiogeography;   

学科分类：地质学

来源: Carnets de Geologie

【 摘 要 】

Out of the few records of rudists from the Cretaceous strata of the South Atlantic coastal basins only two refer to Brazilian localities. However, petrographic analyses demonstrate that these shells should be assigned to Ostreids or to Pycnodontids rather than to Rudistids. More specifically, the domain considered herein, north of the Río Grande Rise - Walvis Ridge barrier, was part of the warm-water

【 授权许可】

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