Patagotitan, for example, was nearly half as long again as Diplodocus, almost twice as tall and about ... animals to exceed the largest land-based mammalian predators in size.' Although dinosaurs were ...

Diplodocus lived 155-145 million years ago in the Jurassic ... This makes it very tricky to work out exactly what size dinosaurs were or how much they weighed. 'Our best chance of finding out is if we ...

By contrast, the earliest dinosaurs were much smaller than their descendants—more the size of a chicken or dog than a Diplodocus. They walked on two legs (were bipedal) and most are thought to ...

All dinosaurs hatched from eggs and many grew no larger than the size of a turkey ... may have been a close relative of mighty Diplodocus, but it became a dwarf. It was a smart evolutionary ...