There are... They more or less cover the whole range of types and sizes, truly. From the Rock-type Amaura to the Dark-type Zorua, including Bug-types such as Heracross and the Psychic Ralts, we have... Forty-six species, I believe? Or forty-seven; the Nidorans separate themselves by gender.

[See, Kaneki, this is the fate that awaits people who think they don't have that many Pokémon.]