Did advanced mammals evolve on the southern continents and then move north? Not according to a new study, which concludes that such mammals evolved in both the south and the north.
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Weil, A. Relationships to chew over. Nature 409, 28–31 (2001). https://doi.org/10.1038/35051199
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DOI: https://doi.org/10.1038/35051199
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