Pokémon has been around for a long time now, and nine generations of games and the anime have finally pushed this storied franchise over 1000 total species of Pokémon. Every generation has introduced its own collection of Pokémon, and some have even tried new things with evolution mechanics, new battle gimmicks and regional variants.
Source:https://www.cbr.com/pokemon-scarlet-violet-paradox-largest-missed-opportunities/