and there were also nearby rivers and lakes

These ammonites were benthic animals

measuring up to 8 meters long and weighing around 4 tons

5 to 2 tons

Deinosuchus Dunkleosteus and there were also nearbyDeinosuchus (D. riograndensis, 'terrible crocodile') is an extinct crocodilian genus that lived during the Campanian of the Late Cretaceous period, in what is now North America. Deinosuchus was one of the largest crocodiles that ever existed, along with Sarcosuchus, with a length that could reach 10 12 meters and a weight of up to 10 tons. Its huge jaws were equipped with sharp, pointy teeth, allowing it to hunt large prey such as dinosaurs, turtles,