Protopteryx

Protopteryx is an extinct genus of bird, perhaps an enantiornithine, from the Cretaceous in China. The type species is P. fengningensis. It was found in the Sichakou Member of the Huajiying Formation of Hebei Province, China and so dates to 131 Ma ago. ==Sources== ...
Found on http://en.wikipedia.org/wiki/Protopteryx
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