I know this is pretty stupid...it just seems cool...

Here's the animals (or any other creature or organism...or non-living item) that Pokémon are based on:

Animalia

Chordata

Arthropoda

Cnidaria

Plantae

Angiospermae

Magoliophyta

Fungi

Basidiomycoda

Monera

Other

Mythological Creatures

Dragons

Fairies

Japanese Mythology

Kitsune

Maneki Neko

Kappa

Shisa

Random Stuff

Balloons

Rocks