Pierce the Kentrosaurus' broken thagomizer (the tail spike) appears and disappears between shots.
Darius says the Dilophosaurus spits 'poisonous venom'. This is incorrect, as venom is a type of poison. On top of that venom is a poison that is delivered by ways of a sting or bite, not by spitting.
Correction: Spitting cobras spit venom. Method of delivery does not determine what it is delivering.
Correction: Spitting cobras spit venom. Method of delivery does not determine what it is delivering.