We’re not saying it happened, but if dinosaurs did develop an advanced civilization, we would have no way of knowing about it.
Source: The Atlantic: It’s Possible Dinosaurs Had a Whole Civilization
Actually, the Anthropocene is mainly a testament to the enormous power of immaterial ideas to shape things, for good or ill. It is the best argument against materialism and it is right under our noses.
Source: At The Atlantic: Dinosaurs might have had whole civilizations; how would you know? | Uncommon Descent
Auroraceratops, a bipedal dinosaur that lived roughly 115 million years ago, has been newly described by paleontologists. More than 80 individuals of this species have been found in China’s Gansu Province.
Source: Small horned dinosaur from China, a Triceratops relative, walked on two feet — ScienceDaily
Identifying the movements of extinct species from millions of years ago can provide insights into ancient migration routes, interaction between species, and the movement of continents.
Source: In hot pursuit of dinosaurs: Tracking extinct species on ancient Earth via biogeography — ScienceDaily