It doesnt evolve by level. Make it hold the protector,( I forgot where it was), and trade.
Rhydon doesn't evolve by level. When the Protector is attached to Rhydon, trade it and it will evolve to Rhyperior.
Rhyorn evolves into Rhydon at level 42 which evolves into Rhyperior when traded while holding a protector.
she can not
thunder stone
Shellos evolves into Gastrodon at level 30.
Koffing evolves into Weezing at level 35
croagunk evovles at level 38 or 37
you level it up during the day with max friendship
Nidorino doesn't evolve by level it evolves by moon stone
charmander at l.16 and charmeleon at l.36
Level 57 (Diamond/Pearl/Platinum/HeartGold/SoulSilver) Level 77 (Black/White/Black 2/White 2)
Rhyperior doesn't evolve, but you can evolve a Rhydon into one by trading it while its holding protector