Location: Eden Delta, Earth 2.

Year: 3400.

Season: Spring.

Upon the plains of the terraformed planet, a massive animal roamed. Spinosaurus. It ignored the herd of Deinotherium nearby, as their skin would be too thick to penetrate. Instead, it was heading towards the river. As soon as it got there, it noticed a group of Andrewsarchus nearby. It decided that it would kill these, as they would provide competition for food.

The dinosaur ran towards the small group, and quickly charged at the oldest male, throwing it against a rock. This killed it instantly. However, the 2 adult females attacked the male spinosaur's leg, but the giant just kicked them aside as if they were stones. One blow from the claws made short work of them. He then headed towards the young Andrewsarchus, and managed to swallow those whole.

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Earth 2 is a terraformed planet I made up. It is basically a terraformed planet where most extinct species of the Phanerozoic live. Different creatures have different niches in different places, so competition between groups is greatly reduced.