An astonishing technique for recovering and cloning the DNA of creatures from the distant past has been discovered. Now, one of ponykind's most thrilling fantasies has come true. Creatures extinct for eons now roam Protochaotic Park with their awesome prescence and profound mystery, and all of Equestria can see them-for a price.
Until something goes wrong….

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The idea stems from Jurrasic Park, but I plan on making the story much different.