Triassic Period

Triassic Dinosaurs

Were there other reptiles in the Middle to Late Triassic period that may have been early dinosaurs?

Yes, the Herrerasaurus may have had some other dinosaur relatives in North and South America during the Middle to Late Triassic periods. Some scientists believe the Staurikosaurus pricei from southern Brazil and northwestern Argentina, and the Chindesaurus bryansmalli from the Chinle formation in North America, were close relatives. But disagreements still exists as to where to put these dinosaurs on the overall family tree. One thing is certain: this important group gives us some idea of the time that dinosaurs first appeared—and what these early creatures looked like.


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