Simanaitis Says

On cars, old, new and future; science & technology; vintage airplanes, computer flight simulation of them; Sherlockiana; our English language; travel; and other stuff

Tag Archives: T. rex: about 2.5 billion over 185 million years of dominance


DINOSAURS DOMINATED THE world’s land masses for 185 million years, from some 250 million years ago to around 65 million years ago. How many dinosaurs existed? Charles R. Marshall and … Continue reading

May 10, 2021 · 1 Comment