By comparison, Earth’s earliest dinosaurs were much smaller than their descendants. They were about the size of a dog or chicken, not 33,000 pounds like a Brontosaurus. Early dinosaurs were also ...

The dorsal and caudal vertebrae of the Sihui Museum specimen Photos: Courtesy of a research team led by Xing Lida from the China University of Geosciences (Beijing) Chinese and Canadian academicians ...

“The Egyptian dinosaur fossil depicted there differs ... were destroyed, a close comparison couldn’t be made. The photos revealed a few key differences between the 1996 samples and the ...