Mononychus olecranus

Thesaurus

Noun

1.

Mononychus olecranus - a turkey-sized long-legged fossil 75 million years old found in the Gobi Desert having bird-like fused wrist bones and keeled breastbone and a long tail resembling a dinosaur's; short forelimbs end in a single claw instead of wings; classification as bird or dinosaur is in dispute maniraptor - advanced carnivorous theropod genus Mononychus - authorities disagree over whether to classify the genus as bird or dinosaur