Lol

2035: It turns out that the horn actually belenoged to a diffirent ceratopsian that happened to die near the pachyrhinosaurus.

2042: It turns out Philip J Currie was trolling us the whole time, and that he just built the Pachyrhinosaurus skeletons out of clay and turns out Pachyrhinosaurus never existed and was just a hoax.

2069: It turns out that Dinosaurs aren't actually animals, instead they were aliens that crash landed on Earth on the permian meteor that was actually a spaceship.

3000: potato

3021: It turns out that a hundred years ago, people thought dinosaurs were animals

3030: Dinosaurs come to earth and it turns out they’re humanoid with wacky skeletons.

3040: Turns out dinosaurs were constantly horny and hook up with humans

3050: It's ok, they were all sent to horny jail

3069: Turns out that sending all the horny dinosaurs to the same facility wasn't a good idea.