Big Lizards

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Across
  1. 5. Giant shark, technically not a dino either
  2. 6. The one with spikes and plates
  3. 7. Big chicken guy, movie made them bigger
Down
  1. 1. King of them all
  2. 2. Long neck herbivore
  3. 3. Three Horned Face
  4. 4. Flying, but technically not like the rest