Sentences with phrase «oldest eutherian»
Although the Portsmouth team points out that both the age and classification of Juramaia is up for debate, the overall scientific consensus still seems to give the title of oldest eutherian to the Chinese specimen.
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By comparing 400 morphological features, such as the shapes and numbers of teeth, in the new fossil with those in 68 other specimens, the researchers have now placed the 73 - million - year - old creature in the Eutherian evolutionary tree, an umbrella group that includes placental mammals.