Across
- 1. Fishapod transition fossil
- 3. Early reptile with gliding wings
- 5. Crocodilelike predator
- 8. Early Triassic herbivore
- 12. Early large herbivore
- 14. Ancient giraffe relative
- 17. Large Cambrian predator
- 19. Fast-running dinosaur
- 20. Thicknosed ceratopsian
Down
- 2. Early whale ancestor
- 4. General term for longnecks
- 6. Bird-mimic dinosaur
- 7. Armored pareiasaur
- 9. Large crested pterosaur
- 10. One of the earliest known birds
- 11. Tyrannosaur from Alberta
- 13. Unusual sail-backed dinosaur
- 15. Spiked ceratopsian
- 16. Giant prehistoric turtle
- 18. Loch Ness Monster's supposed species