Graveler at evolve at any level since you will need to trade it in order to evolve it.
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geodude evolves into graveller at level 25 and graveller evolves into golem when link traded... ^_^
Geodude evolves at 25 in Pokemon diamond/pearl/platinum. but I'm not sure about any of the other games because i have not checked the other games.
Ponyta evolves at Level 40 in Pokemon diamond.
Cranidos is a Rock type Pokemon that can be revived from a Skull Fossil in Pokemon Diamond. It will evolve into Rampardos at level 30.30
Catch a Geodude, evolve it into Graveller at level 25, then trade it to another game for it to evolve into Golem, and trade it back to your original game.