Concavenator could have had some form of plumage

although still developing

in the early 20th century

aegyptiacus "Lagarto espinal") vivió en lo que ahora es el norte de África durante el Albiense y Cenomaniense del periodo Cretácico inferior hace aproximadamente 112 a 93 millones de años

los Deinonychus son ágiles y coordinados

Stegoceras validum Neovenator Concavenator could have had someStegoceras validum : The living dome of the Cretaceous In the ancient forests of the Late Cretaceous, approximately 75 million years ago, a small herbivorous dinosaur roamed the undergrowth. Although modest in size, it possessed one of the most striking cranial features in the entire fossil record: a thick, domed skull, possibly used in ritualized combat. Its name is Stegoceras validum , and it represents one of the best known genera of the