Deinonychus
- When: Early Cretaceous
(115–108 mya) - Where: North America
- What: Dromaeosaurid theropod
- Weight: 70–100 kg
- Length: 3.4 meters
- Diet: Carnivorous
- Discovered: 1969
dino, deino
Terrible
(from the Greek word deino)
Deinosuchus
- When: Late Cretaceous
(82–73 mya) - Where: North America
- What: Crocodyliform
- Weight: 8–10 metric tons
- Length: 10–12 meters
- Diet: Carnivorous
- Discovered: 1954