skull fossil: Cranidos Armour: Sheildon
you cant
i think you have to give the fossils to the museum in pewter city
You turn in your fossils to the scientist inside the museum of Oreburgh City.
Oreburgh Town
got to orebrough city mining meuseum and talk to the person on the right behind the counter and she will turn the fossils into Pokemon for you
At Cinnabar Island there is a Lab. Someone there will extract them.
In Oreborough City you can turn fossils into Pokemon. There'll be this little museum in the city, where you give your fossil to the man at the counter and you get back a Pokemon. However, you need an open space in your Pokemon rack for it to work
In Devon Corp.
You turn your Pokemon into fossils at the oreburg museum. Talk to the guy on the right behind the counter and he will make it a Pokemon but you need to go outside for 1 second[ seriously 1 second] and then go back in with 5 Pokemon in you party. Then he'll give you your Pokemon back and tadda! Pokemon!
Oreburg in the musium just above the pokecenter.
to find fossils go underground by getting the kit and then you can just find them while digging
Give the fossil to the guy, walk out, and immediately walk back in. It's instantaneous.