Aratasaurus is an extinct genus of basal coelurosaurian theropod dinosaur from the Early Cretaceous (Aptian) Romualdo Formation of Brazil. The genus contains a single species, A. museunacionali, known from a partial right leg. Aratasaurus represents the only tetrapod fossil known from the lower levels of the Romualdo Formation.
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J. M. Sayão, A. A. F. Saraiva, and A. S. Brum, R. A. M. Bantim, R. C. L. Pedroso de Andrade, X. Cheng, F. Jorge de Lima, H. de Paula Silva, A. W. A. Kellner. 2020. The first theropod dinosaur (Coelurosauria, Theropoda) from the base of the Romualdo Formation (Albian), Araripe Basin, Northeast Brazil. Scientific Reports 10(10892)
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J. M. Sayão, A. A. F. Saraiva, and A. S. Brum, R. A. M. Bantim, R. C. L. Pedroso de Andrade, X. Cheng, F. Jorge de Lima, H. de Paula Silva, A. W. A. Kellner. 2020. The first theropod dinosaur (Coelurosauria, Theropoda) from the base of the Romualdo Formation (Albian), Araripe Basin, Northeast Brazil. Scientific Reports 10(10892)
DOI ↗