after you get the explorer kit go underground and mine the walls where they are shiny then eventually you will find some
In the underground.
saltwater
The underground
You turn in your fossils to the scientist inside the museum of Oreburgh City.
go underground
You have to dig them up when you're underground
You could revive it at the oburgh museam
yes u can but you might have other fossils until you get the national pokedex
Yes! Go underground, go to your base, use the "Radar" and search for "TREASURE" and find a spot. Go dig in that area, you get alot of fossils sometimes. -Seth, AKA Legend in Platinum
Use the Explorer kit and go underground to dig into the walls, you will find fossils, spheres, shards and other items
You can take the fossils to the museum in Oreburgh City. There you can take them to the guy behind the desk and he delivers you the Pokémon from the fossil.
you found them under ground in the walls then dig it up