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Poles apart, molars together

Nature (2001)Cite this article

Mammals' complex teeth may have evolved twice, on either side of a great divide.

The teeth that might have allowed mammals to develop from their tiny shrew-like ancestors into today's relative giants arose twice on different continents. So a new study reported in Nature1 suggests, challenging previous ideas on how advanced mammals first came about more than 100 million years ago.

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References

  1. Luo,Z.-X.,Cifelli, R.L. & Kielan-Jaworowska, Z. Dual origin of tribosphenic mammals. Nature 409, 53 - 57.

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  1. Juliette Shackleton
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Shackleton, J. Poles apart, molars together. Nature (2001). https://doi.org/10.1038/news010104-5

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  • DOI: https://doi.org/10.1038/news010104-5

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