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An artist depicts "Jurassic mother", the earliest known ancestor of man, merrily scampering through trees in the hunt for juicy bugs.  (Source: Mark A. Klinger / Carnegie Museum of Natural History)

The discover was made in China's northern Liaoning province, which borders North Korea.  (Source: Wikimedia Commons)

The skeleton was painstakingly reconstructed to reveal its secrets.  (Source: Nature/Beijing Museum of Natural History)

The fossil was dated to 160.7 million years old +/- 0.4 million years, making it the oldest known placental mammal. The fossil was dated by measuring radioactive argon in surrounding sanidine deposits.  (Source: Geowiki)
The 160-million year old mammal marked the split between placental mammals and marsupials





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You dirty rat!
By Graviton on 8/27/2011 7:45:06 PM , Rating: 2
You killed my great great great great great great great...

...great great great great great grandfather's brother!




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