Fossils. That's right, fossils. Introduced in the very first game, fossils have always been an interesting sub-category of Pokemon, mainly because of how diverse they are. Rather than just being dinosaur after dinosaur, fossil Pokemon over the years have been based on all sorts of fossilized species, both extinct and still living. And today, that's our topic, so jump into the time machine, because we're going back to prehistoric times in this week's Concept Corner!