Shelgon evolves into Salamence starting at level 50.
Other facts about Shelgon:
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Scatterbug evolves into Spewpa starting at level 9. It will later evolve into Vivillon once it reaches level 12.
Goldeen evolves at Level 33 in Ruby, Sapphire, FireRed, LeafGreen, Emerald, Pokemon X and Y and Pokemon Omega Ruby and Alpha Sapphire.
Espurr evolves into Meowstic starting at level 25.
I'm pretty sure lv 36, as that's the level for all other pokemon games (pignite-emboar=36, combusken-blaziken=36, etc)
At level 48.
At level 42.
no that is only for cards
Staryu can evolve into Starmie at any level, as long it is exposed to a Water Stone.
Bagon evolves into Shelgon starting at level 30, and then Shelgon evolves into Salamence starting at level 50. Bagon is #371 in the National Pokedex, and was introduced in the Generation III Pokemon titles (Ruby, Sapphire, and Emerald) where it could be found at Meteor Falls. In Generation VI (X and Y), it can be found on Route 8, but its appearance is very rare. ___ In the PMD series, Pokemon must be recruited and at least their ordinary level of evolution in the other games before they can be evolved. Then you must graduate from the guild and go to Luminous Spring.
At level 33 like it always was.
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In Pokémon X, the lion Pokémon called Litleo will evolve into Pyroar at Level 35.
Pansear can only evolve with a Fire Stone, levels are meaningless.
Noibat evolves into Noivern starting at level 48.
Ducklett evolves at level 35.
Machop evolves into Machoke at level 28.