Artículo
The puzzle assembled: Ediacaran guide fossil Cloudina reveals an old proto-Gondwana seaway
Warren, Lucas V.; Quaglio, Fernanda; Riccomini, Claudio; Simoes, Marcelo; Poire, Daniel Gustavo
; Strikis, Nicolás; Anelli, Luis E.; Strikis, Pedro C.
Fecha de publicación:
05/2014
Editorial:
Geological Society of America
Revista:
Geology
ISSN:
0091-7613
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
During the Ediacaran the Clymene Ocean separated the Laurentia, Amazonia, and Río Apa cratons from several landmasses to the west forming the proto-Gondwana supercontinent. However, no clear evidence about the existence of Ediacaran epeiric seas over those landmasses has been found. Here we report and discuss the discovery of the Ediacaran guide fossil Cloudina sp. associated with other metazoan body and trace fossils in the Bambuí Group (central eastern Brazil). The Ediacaran age of the Bambuí Group and the paleogeographic position of Cloudina-bearing successions in Brazil, Antarctica, Namibia, and Argentina suggest a scenario of ocean connectivity among coeval intracratonic basins of South America, Africa, and Antarctica at the end of Neoproterozoic time. The new finding epitomizes one of the most important paleontological discoveries ever made in South America, helping to solve an old paleogeographic puzzle of the Gondwana supercontinent.
Palabras clave:
Cloudina
,
Ediacaran
,
Sw Gondwana
,
South America
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Identificadores
Colecciones
Articulos(CIG)
Articulos de CENTRO DE INVEST.GEOLOGICAS (I)
Articulos de CENTRO DE INVEST.GEOLOGICAS (I)
Citación
Strikis, Pedro C.; Strikis, Nicolás; Poire, Daniel Gustavo; Simoes, Marcelo; Riccomini, Claudio; Quaglio, Fernanda; et al.; The puzzle assembled: Ediacaran guide fossil Cloudina reveals an old proto-Gondwana seaway; Geological Society of America; Geology; 42; 5; 5-2014; 391-394
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