Nothosaurus
- When: Middle Triassic
(240–210 mya) - Where: Europe, Asia
- What: Nothosaur
- Weight: 100–150 kg
- Length: 3–4 meters
- Diet: Carnivorous
- Discovered: 1834
Middle Triassic
Tanystropheus
- When: Middle to Late Triassic
(242–227 mya) - Where: Europe
- What: Archosaur marine reptile
- Weight: 60–100 kg
- Length: 6 meters
- Diet: Carnivorous or piscivorous
- Discovered: 1906
Placodus
- When: Middle Triassic
(247–235 mya) - Where: Europe
- What: Sauropterygian marine reptile
- Weight: 100–200 kg
- Length: 2 meters
- Diet: Durophagous
- Discovered: 1830
Erythrosuchus
- When: Middle Triassic
(247–242 mya) - Where: Africa
- What: Archosaur
- Weight: 500 kg
- Length: 5 meters
- Diet: Carnivorous
- Discovered: 1905
Mastodonsaurus
- When: Middle Triassic
(247–237 mya) - Where: Europe
- What: Amphibian
- Weight: 1 metric ton
- Length: 6 meters
- Diet: Carnivorous
- Discovered: 1828
Nyasasaurus
- When: Middle Triassic
(243 mya) - Where: Africa
- What: Dinosaur
- Weight: 20–60 kg
- Length: 2–3 meters
- Diet: Possibly omnivorous or herbivorous
- Discovered: 1956