421 - Cherrim
A Water-type Pokémon resembling a sea slug.
422 - Shellos
A Water/Ground-type Pokémon that evolves from Shellos.
423 - Gastrodon
A Normal-type Pokémon that evolves from Aipom.
424 - Ambipom
A Ghost/Flying-type Pokémon resembling a balloon.
425 - Drifloon
A Ghost/Flying-type Pokémon that evolves from Drifloon.
426 - Drifblim
A Normal-type Pokémon resembling a rabbit.
427 - Buneary
A Normal/Fighting-type Pokémon that evolves from Buneary.
428 - Lopunny
A Ghost-type Pokémon that evolves from Mistreavus.
429 - Mismagius
A Dark/Flying-type Pokémon that evolves from Murkrow.
430 - Honchkrow
A Ground/Flying-type Pokémon resembling a flying scorpion.
431 - Glameow
A Poison/Bug-type Pokémon resembling a scorpion.
432 - Purugly
A Poison/Dark-type Pokémon that evolves from Skorupi.
433 - Chingling
A Poison/Fighting-type Pokémon resembling a frog.
434 - Stunky
A Poison/Fighting-type Pokémon that evolves from Croagunk.
435 - Skuntank
A Grass-type Pokémon resembling a carnivorous plant.
436 - Bronzor
A Water-type Pokémon resembling a small fish.
437 - Bronzong
A Water-type Pokémon that evolves from Finneon.
438 - Bonsly
A Bug/Flying-type Pokémon that evolves from Wormadam.
439 - Mime jr
A Bug/Steel-type Pokémon with different forms depending on its surroundings.
440 - Happiny
A Grass/Ice-type Pokémon resembling a Christmas tree.