Sinodelphys

Sinodelphys is an extinct mammal from the Early Cretaceous. To date, it is the oldest metatherian fossil known, estimated to be 125 million years old. It was discovered and described in 2003 in rocks of the Yixian Formation in Liaoning Province, China, by a team of scientists including Zhe-Xi Luo and John Wible. ==Fossil record== Only one fossil s...
Found on http://en.wikipedia.org/wiki/Sinodelphys

Sinodelphys

(from the article `Life Sciences`) ...for `soundly sleeping dragon`), was 130 million years old and the earliest known specimen to exhibit such markedly birdlike behaviour. Yet another ...
Found on http://www.britannica.com/eb/a-z/s/101
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