The reptiles evolve, and the race for survival continues on land. Giant arthropods lurk in the Carboniferous forest, and sail-backed mammal-like reptiles fight for the survival of their young in the Permian.
Did You Know?
The computer-generated model used for the Dimetrodon hatchlings is actually drastically smaller version of the fully grown Dimetrodon animation, with apparently the same body proportions and color-scheme. So when one of them (the newly hatched animals) is shown climbing up a tree, the viewer is treated to a rather awkward sight, since it looks just like an adult, to which of course it wouldn't be possible to climb up a tree. See more
When the amphibian jumps onto the Arthropleura, the plates on its back visibly clip into the amphibian's belly. See more
The rising water levels suit one group of hunters: amphibians. They've continued thriving over the last sixty million years. Their thin skin still restricts them to the water's edge, but they're now powerful predators, with a devastating pair of jaws, ready to ambush anything that wanders within reach.