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The puzzle assembled: Ediacaran guide fossil Cloudina reveals an old proto-Gondwana seaway
(Geology, 2014-05-01) [Artigo]
During the Ediacaran the Clymene Ocean separated the Laurentia, Amazonia, and Rio Apa cratons from several landmasses to the west forming the proto-Gondwana supercontinent. However, no clear evidence about the existence ...