120-Million-Year-Old Fossil Pushes Back Origin of Marsupial Lineage

image 15098 Archetheridium sinense


The holotype of Archetheridium sinense in dorsal view. Image credit: Hai-Bing Wang & Yuan-Qing Wang, doi: 10.11646/mesozoic.3.3.3.

A new species of deltatheroidan mammal from China may be the oldest confirmed ancestor of marsupials yet found, offering fresh evidence that Asia played a central role in the deep evolutionary split between marsupials and placental mammals.

The post 120-Million-Year-Old Fossil Pushes Back Origin of Marsupial Lineage appeared first on Sci.News: Breaking Science News.



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