Oculudentavis
Description
The skull of Oculudentavis was 1.4 centimetres (0.55 in) in length, indicating that Oculudentavis would be the smallest known Mesozoic dinosaur, if such an identification is correct. The animal would have been comparable in size to the modern bee hummingbird, the smallest known living dinosaur.
Oculudentavis-3