Previous hypotheses questioned in origin of dinos in Argentina
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At the time of the first dinosaurs, variations in the ecosystem cannot be related to the climatic changes recorded throughout its deposition.
Read MoreAt the time of the first dinosaurs, variations in the ecosystem cannot be related to the climatic changes recorded throughout its deposition.
Read MoreDinosaur relatives and first dinosaurs more closely connected than previously thought and precise rock dating calls ages of other fossil sites across the globe into question.
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