take it to pewter city and go to the building at the top of the town . A man at the far right of the building will turn it into the Pokemon aerodactyl
The Ruins of Alph.
In SoulSilver and HeartGold you go to the Ruins of Alph and use rock smash until you get Old Amber.
You snash rocks to find old anber.
go to ruins of alph and use rock smash on every rock to find it
Get a old amber and take it to a guy in the museum in Petwer City,
4
AMBER NICOLE BROWN IS 23 YEARS OLD
35 million years old.
the old amber reveals aridactul
In ruins of alph use rock smash on rocks and youll find an old amber go to pewter museum (kanto) a guy there extracts a Pokemon out and its aerodactyl lvl 20
Yes you can. Use HM Rock Smash in the following places; Ruins of Alph: Helix fossil (Omanyte) and Old Amber (Aerodactyl) Cliff Cave: Claw fossil (Anorith)
An old amber is the fossil if you like for aerodactyl.