The Start Dinosaurs are famous and loved through out the globe but there start wasn’t so promising. Dinosaurs (and close relatives) were oppresed by more early developed creatures such as early archosaurs, synapisids, and rynchosaurs. The time dinosaurs evolved was debated in the early days of paleontology. It shifted from the late Triassic, to mid-Triassic, and now people say that dinosaurs evolved in the early Triassic. Oppression As I said earlier, dinosaurs were being o