13 gen 220844445 anni a. C. - Formation of the Supercontinent Pangaea

Descrizione:

First true mammals appeared: Eozostrodon, Theriodontia, tiny and nocturnal. Earliest-know turtle, Proganochelys. Turtles, frogs, salamanders, lizards (sphenodonts & snakes), pterosaurs appeared. Insects undergo complete metamorphosis. In the seas, ichthyosaurs, marine reptiles appeared. Seed ferns dominate the Triassic terrain. Laurasia was dominated by conifers, and Gondwanaland was dominated by Dicroidium

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