You find them randomly when smashing rocks. Good luck.
use rock smash on the rocks
You go to a place like ruins of alph and use rock smash until you find amber. Then you go to the Pokemon fossil museum in kanto and ask the man on the far right to take it out of the amber for you.
Hope this helped :)
smash rocks in ruins of alph and there might be fossil in one
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You can only get the Helix Fossil in Pokemon HeartGold. This means that to get an Omanyte or Omastar in SoulSilver, you must either trade for one or trade for a Pokemon holding one.
old amber, dome fossil and maybe some more
Meowth are Pokemon SoulSilver-exclusive Pokemon. In SoulSilver, they can be found on Routes 5-8, 38 and 39.
Houndour can be found in Route 7 in SoulSilver and it can also be found in the Safari Zone.
They can be found wild on Route 44.