Mononykus olecranus Megalania approximately 165-155 million years ago

approximately 165-155 million years ago

Its bone structure also indicated adaptations for flight

Medidas aproximadas del Dagonodum:

These limbs were relatively straight and columnar

Mononykus olecranus Megalania approximately 165-155 million years agoMononykus olecranus was a small alvarezsaurid theropod dinosaur from the Late Cretaceous of Mongolia, known from fossil remains recovered from deposits in the Gobi Desert. Originally described in the early 1990s by Perle, Norell, Chiappe and Clark, this taxon quickly became recognised as one of the most unusual forms among maniraptoran dinosaurs because of the extreme reduction of its forelimbs and the presence of a single functional claw on each