The first half of the Cretaceous Period, ~145-100 million years ago. Flowering plants emerged and dinosaurs diversified globally.
early-jurassic
Early Jurassic
The first stage of the Jurassic Period, ~201-174 million years ago. Dinosaurs began to dominate terrestrial ecosystems.
late-cretaceous
Late Cretaceous
The final stage of the Mesozoic Era, ~100-66 million years ago. Home to T. Rex, Triceratops, and many iconic dinosaurs. Ended with the mass extinction event.
late-jurassic
Late Jurassic
The final stage of the Jurassic Period, ~163-145 million years ago. Dominated by giant sauropods like Brachiosaurus and Diplodocus.
late-triassic
Late Triassic
The final stage of the Triassic Period, ~237-201 million years ago. The earliest dinosaurs appeared and began to diversify.
middle-jurassic
Middle Jurassic
The middle stage of the Jurassic Period, ~174-163 million years ago. Sauropods and theropods diversified significantly.
middle-triassic
Middle Triassic
The middle stage of the Triassic Period, ~247-237 million years ago. Archosaurs were diversifying.