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The puzzle assembled: Ediacaran guide fossil Cloudina reveals an old proto-Gondwana seaway
ABSTRACTDuring the Ediacaran the Clymene Ocean separated the Lau-rentia, Amazonia, and Rio Apa cratons from several landmasses to the west forming the proto-Gondwana supercontinent. However, no clear…
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Ediacaran discs from South America: probable soft-bodied macrofossils unlock the paleogeography of the Clymene Ocean
TLDR
The presence of Aspidella in the Cerro Negro Formation would represent the first reliable record of Ediacaran soft-bodied organisms in South America and supports the paleogeographic scenario of the Clymene Ocean, in which a shallow sea covered part of the southwest Gondwana at the end of the Ediacaru.
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Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: Increasing ecosystem complexity and tiering at the end of the Ediacaran
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The transgressive-regressive cycle of the Romualdo Formation (Araripe Basin): Sedimentary archive of the Early Cretaceous marine ingression in the interior of Northeast Brazil
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Origin and impact of the oldest metazoan bioclastic sediments
The emergence of soft-bodied metazoans and the radiation of the earliest skeletal organisms substantially changed the ecological dynamics of Ediacaran environments, leading to the genesis of biogenic…
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Permian non-marine bivalves of the Falkland Islands and their palaeoenvironmental significance
Simões, M.G., Quaglio, F., Warren, L., Anelli, L.E., Stone, P., Riccomini, C., Grohmann, C.H. & Chamani, M.A.C. December 2012. Permian non-marine bivalves of the Falkland Islands and their…
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Invertebrates from the Low Head Member (Polonez Cove Formation, Oligocene) at Vauréal Peak, King George Island, West Antarctica
TLDR
Eight taxa of marine invertebrates, including two new bivalve species, are described from the Low Head Member of the Polonez Cove Formation cropping out in the Vauréal Peak area, King George Island, West Antarctica, showing an overall dispersal pattern that roughly fits in the clockwise circulation of marine currents around Antarctica.
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Early Miocene bivalves from the Cape Melville Formation, King George Island, West Antarctica
Seven species of marine bivalves, including six new taxa, are described from the Cape early Miocene Melville Formation which crops out on the Melville Peninsula, King George Island, West Antarctica.…
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A new fossil Adamussium (Bivalvia: Pectinidae) from Antarctica
Adamussium jonkersi sp. nov. is described from the Late Oligocene Destruction Bay Formation, Wrona Buttress area, King George Island (South Shetlands), West Antarctica. The unit, characterized by…
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Discs and discord: The paleontological record of Ediacaran discoidal structures in the south American continent
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