To be honest, if you have a Shelder then the best way to get it to evolve it to use a Water Stone only because you can level it up all you want and it will not evolve. So just use a Water Stone.
Level 64
level 41(:
Level 31.
Level 37
Level 28.
Shellder evolves using the Water Stone. There is no level that it specifically has to be on in order to evolve.
Shellder does not evolve by level. Use a water stone on it (bought from celadon department store) when you are ready to evolve it
You evolve shelder with a water stone.
It evolves with a water stone
cloyster doesn't evolve into any Pokemon. You can evolve it from Shellder but with a water stone rather than leveling up.
It will evolve if you use a water stone on it.
Level 43
Level 64
To evolve Mantyke in pokemon black/white 2 you have to level it up with a remoraid in your party then it will evolve into mantine
Throh don't evolve in Pokemon Black and White.
Audino doesnt evolve in Pokemon black and white
Level it to 41 and it will evolve