Styracosaurus
- When: Late Cretaceous
(75–74 mya) - Where: North America
- What: Ceratopsian
- Weight: 3 tons
- Length: 5–5.5 meters
- Diet: Herbivorous
- Discovered: 1913
saur, sauro or saurus
Lizard
(from the Greek word sauros)
Amargasaurus
- When: Early Cretaceous
(129–122 mya) - Where: South America
- What: Sauropod
- Weight: 2–3 tons
- Length: 9–10 meters
- Diet: Herbivorous
- Discovered: 1991
Barosaurus
- When: Late Jurassic
(155–150 mya) - Where: North America
- What: Sauropod
- Weight: 20 metric tons
- Length: 26 meters
- Diet: Herbivorous
- Discovered: 1890
Brontosaurus
- When: Late Jurassic
(156–145 mya) - Where: North America
- What: Sauropod
- Weight: 15 metric tons
- Length: 22 meters
- Diet: Herbivorous
- Discovered: 1879
Camarasaurus
- When: Late Jurassic
(155–145 mya) - Where: North America
- What: Sauropod
- Weight: 20–47 metric tons
- Length: 18 meters
- Diet: Herbivorous
- Discovered: 1877
Carcharodontosaurus
- When: Early to Late Cretaceous
(100–93 mya) - Where: Africa
- What: Theropod
- Weight: 6–15 tons
- Length: 12–13 meters
- Diet: Carnivorous
- Discovered: 1931
Ceratosaurus
- When: Late Jurassic
(156–145 mya) - Where: North America, Europe
- What: Theropod
- Weight: 500–1,000 kg
- Length: 6–8 meters
- Diet: Carnivorous
- Discovered: 1884
Elasmosaurus
- When: Late Cretaceous
(80–65 mya) - Where: North America
- What: Plesiosaur
- Weight: 2–3 metric tons
- Length: 10–14 meters
- Diet: Piscivorous
- Discovered: 1868
Giganotosaurus
- When: Late Cretaceous
(98–97 mya) - Where: South America
- What: Theropod
- Weight: 8–13 tons
- Length: 12–13 meters
- Diet: Carnivorous
- Discovered: 1995