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

Sep 28, 2026 - 16:45
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120-Million-Year-Old Fossil Pushes Back Origin of Marsupial Lineage
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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