Level 40.
Omanyte evolves at Lv.40 in heartgold.
a shappire envole at level 42
omanyte evolves at level 40.
Omanyte evolves at Level 40.
Omanyte evolves at level 40.
omanyte and anorith and aerodactyl
Level 40
level 25
At level 40, Omanyte evolves into Omastar.
Omanyte evolves at level 40.
Omanyte evolves into Omastar at level 40.
At Level 30 it evolves into Shelgon.