Kobayashi and his colleagues christened the new therizinosaur, Duonychus tsogtbaatari. The genus name means “double claw”, ...

Microraptors have traits common amongst other therapods ... The Yutryannus means “feathered tyrant”, and is the name of the largest feathered dinosaur to ever be discovered.

But when acclaimed anatomist Richard Owen grouped three prehistoric animals with curious features in common ... s descriptive name was officially disregarded and Megalosaurus retained its claim to ...