>>40801403people get stuff mixed up and just plain wrong all the time in paleontology. We've gotten way better at it now, but the further you go back the more you see things like spikes going the wrong end and heads on tails and all sorts of mishaps
So the Pokemon version of this idea is 4 entirely different animal fossil parts that got incorrectly mismatched, and somehow revives into 4 mismatched pokemon that are alive for some improbable reason
