it is suggested that they could live in herds and used their body well equipped with pointed defenses to defend themselves from possible predators

The combination of climatic changes

it was not immune to mass extinction

`Lagarto del Cañón Amarga´) es un género extinto de dinosaurio saurópodo que vivió durante el Hauteriviense del período Cretácico inferior

ergassaminon

Archelon Miniature Museum it is suggested that theyArchelon ("ruling tortoise") is an impressive species of giant tortoise that inhabited Earth during the Cretaceous period, approximately 70 75 million years ago. It is known as one of the largest sea turtles that has ever existed, it is estimated that its total length could reach up to 4. 5 meters, with a weight that could exceed 2,000 kilograms. This makes it one of the largest known sea turtles, even larger than the leatherback, which is the largest