Old Amber Fossil in Cobblemon.
Old Amber Fossil in Cobblemon revives Aerodactyl. Find it at Prehistoric Oak Tree dig sites (oak forests) and Prehistoric Spruce Tree dig sites (spruce forests and taigas) by brushing the suspicious sand or gravel, then put it in the Fossil Analyzer, fill the Restoration Tank with 128 points of organic material and wait 12 minutes.
Where to dig
Prehistoric Oak TreeOak forests
Prehistoric Spruce TreeSpruce forests and taigas
What it revives
Aerodactylrockflying515Base stat total from the 1.7.3 species files.
Reviving it
1Insert the fossilRight-click the Fossil Analyzer with a fossil. Galar hybrids need both matching pieces inserted.
2Fill the tankRight-click the Restoration Tank with organic material until it has absorbed 128 points. The tank's fill bar shows progress.
3Wait 12 minutesThe machine starts on its own once both conditions are met. The embryo grows through 8 stages, 90 seconds each.
4Claim the PokemonRight-click the tank with a Poke Ball to add the Pokemon to your party, or break the tank to release it as a wild Pokemon.
5Owner protectionOnly the player who started the restoration can claim it for the first 5 minutes after it finishes.