My Onix evolution, Fossilix, a Rock/Ghost type which evolves when

Onix, Pokémon GO Wiki

Honestly, an awesome idea of why all fossil Pokemon are rock type : r/PokemonInfiniteFusion

Rock type, Pokémon Wiki

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OC - meet Aquaponix! An alternate onix evolution : r/pokemon

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My Onix evolution, Fossilix, a Rock/Ghost type which evolves when given the Rare Bone and leveling up in a graveyar…, onix pokémon evolution

Onix, Pokémon GO Wiki

Mildly Interesting: After evolution, Machamp gains Graveler's extra arms, and Golem gains Machoke's snout. : r/pokemon