Dinosaur Mystery

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Across
  1. 4. Jurassic plant-eater; had spikes on its tail
  2. 6. Cretaceous meat-eater; loved eating eggs
  3. 7. Cretaceous plant-eater; had a long crest and 3 horns
  4. 9. Jurassic meat-eater with 1 horn
  5. 10. Cretaceous meat-eater; lived in the ocean
  6. 12. Cretaceous plant-eater; had a big crest and 3 horns
  7. 15. Jurassic plant-eater with a long neck; the longest we talked about
  8. 16. Cretaceous meat-eater; could swim and had a big sail
  9. 17. Cretaceous meat-eater with horns; tiny arms
  10. 18. Cretaceous fish-eater; could fly
  11. 19. Small Cretaceous plant-eater; had a crest with no horns
  12. 20. Cretaceous plant-eater with body armor
Down
  1. 1. Jurassic plant-eater with a long neck; shorter than brachiosaurus
  2. 2. Jurassic plant-eater with a long neck
  3. 3. Jurassic meat-eater with a crest
  4. 5. Jurassic plant-eater with a beak; fast
  5. 8. Cretaceous plant-eater; had a mouth like a duck and a crest
  6. 11. Cretaceous meat-eater; had a big toe claw
  7. 13. Jurassic meat-eater with horns
  8. 14. Cretaceous meat-eater; tiny arms