List of cross-generational evolutionary lines
From Bulbapedia, the community-driven Pokémon encyclopedia.
This is a list of Pokémon that, when evolving, turn into a Pokémon from a different generation of Pokémon, for example, Pichu, a Generation II Pokémon, evolves into Pikachu, a Generation I Pokémon.
Many of these Pokémon, as a result of new evolutions, become branch-evolution Pokémon.
Generation I Pokémon
Evolutions are Generation II Pokémon
Evolutions are Generation III Pokémon
No Generation I Pokémon evolve into a Generation III Pokémon.
Evolutions are Generation IV Pokémon
Generation II Pokémon
Evolutions are Generation I Pokémon
Evolutions are Generation III Pokémon
No Generation II Pokémon evolve into a Generation III Pokémon.
Evolutions are Generation IV Pokémon
Generation III Pokémon
Evolutions are Generation I Pokémon
No Generation III Pokémon evolve into a Generation I Pokémon.
