article_snippet: However, pollution of the rivers and streams where pollution of the rivers and streams where they live live has put the new species under threat.
article_snippet: It was the type of fierce predator that the very first dinosaurs had to put up with if the very first dinosaurs strayed too close to the water, long before the glory days of T. rex and Brachiosaurus.'
article_snippet: Scientists said the creature would have terrorised lakes during the rise of the dinosaurs .
article_snippet: This was when the supercontinent of Pangea began to break apart and paved the way for the dominance of the dinosaurs.
article_snippet: Back in the Triassic these giant predators would have made lakes and rivers pretty scary places to be.'