Middle to Late Jurassic Period Pronunciation
174-145 million years ago
The Middle to Late Jurassic spans the peak of dinosaur gigantism. Sauropods reached their greatest sizes, stegosaurs thrived, and theropod predators grew increasingly diverse. This broad interval captures some of the most iconic dinosaurs ever to walk the Earth.
Dinosaurs of the Middle-Late Jurassic
Fun Facts
- ✓This interval produced some of the largest land animals in Earth's history.
- ✓Stegosaurus thrived across this period, developing its iconic back plates and tail spikes.
- ✓The first birds appeared near the end of this interval, descending from small feathered theropods.