Ultimate Dinosaurs

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Across
  1. 3. a quadrupedal plant-eater with a broad neck frill
  2. 5. a bipedal omnivore with a birdlike beak, claws, and long legs
  3. 8. a bipedal, birdlike omnivore with a long neck and tail
  4. 9. a quadrupedal plant-eater and one of the largest, longest, and possibly heaviest dinosaurs ever
  5. 11. a bipedal predator, one of the largest flesh-eating dinosaurs, with huge jaws and sharp claws
  6. 14. a small, lightweight, bipedal/quadrupedal plant-eater
  7. 15. a quadrupedal plant-eater with a horned head and a neck frill
  8. 16. a quadrupedal/bipedal plant-eater with a distinctive, helmet-shaped head crest
  9. 18. a bipedal/quadrupedal plant-eater with a large, flat head
  10. 19. a large quadruped, with two rows of bony plates from neck to tail
  11. 20. a quadrupedal plant-eater with an armor of bony plates
Down
  1. 1. a quadrupedal plant-eater with massive limbs and a bulky body
  2. 2. a tiny, fast-moving predator with sharp teeth
  3. 4. a huge, bipedal predator, with a skin "sail", a bulky body, and crocodile-like jaws
  4. 6. a quadrupedal plant-eater with a low body shielded by bony studs
  5. 7. a quadrupedal/bipedal plant-eater with a long neck and tail
  6. 10. a quadrupedal plant-eater with long forelimbs
  7. 12. a quadrupedal/bipedal plant-eater with head crest and beak
  8. 13. a quadrupedal plant-eater protected by bony shields
  9. 17. a bipedal predator with keen eyesight and a relatively large brain