• "The teeth of Juramaia show all the typical eutherian dental features, " Dr Luo explained.

    BBC: Fossil redefines mammal history

  • These DNA investigations had indicated that eutherians should have been in existence much earlier than the previous oldest-known eutherian fossil - a creature called Eomaia, which lived about 125 million years ago.

    BBC: Fossil redefines mammal history

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