List of Pokémon by index number (Generation IV)

In each Pokémon game of Generation IV, all have an unseen index number used to identify them in the game's. All of them are in their National Pokédex order; however, the alternate forms of, , , , and have their own index numbers. Numbers 501 to 507 were added in and are empty in.

List of Pokémon by index number

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Elenco Pokémon per numero d'indice (quarta generazione) 宝可梦列表（按第四世代内部编号）