Thread:Collector1/@comment-28675190-20160614003348/@comment-1259419-20160618191043

Remember that Vastatosaurus is a fictional dinosaur dreamed up by a film maker. Nonetheless, I do not know how large Vastatosaurus is supposed to be. However, increasing or decreasing the average size of species isn't that difficult. We Dutch almost doubled our average size in 4 generations :) Tyrannosaurus evolved from a 3 meters long theropod like Guanlong in 90 million years. So, if we would give Tyrannosaurus another 60 million years, it is very possible that its descendants will become even larger.