genus Mononychus vs Mononychus olecranus

genus Mononychus and Mononychus olecranus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Mononychus	Yes	No	No	No
Mononychus olecranus	Yes	No	No	No

genus Mononychus (noun)	Mononychus olecranus (noun)
authorities disagree over whether to classify the genus as bird or dinosaur	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