Anchiornis

Anchiornis huxleyi, a newly described maniraptoran from the Liaoning province of China. This is the smallest known non-avian theropod and exhibit characteristics intermediate between Archaeopteryx and the non-avian theropods. It is known from an articulated skeleton that is lacking the skull, part of the neck, the right forearm and part of the tail. Some faint feather impressions were also preserved.

Update: A new fossil of Anchiornis complete with skull and beautiful feather impressions has just been described. A new cladistic analysis indicates it is actually a troodont... who will have thought of a crested four-winged troodont?

Update 2: Now even the color of this dino is known from scientific evidence.

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