maybe yes and maybe no
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Yes, you definitely can, in the northeast part of the desert if memory serves correctly.
no
Yes. I found 3completely rare fossils by digging.
No, you can only find them. You can dig for them in Diamond and Pearl however.
In Sapphire you only can get one of the two fossils found in the desert. If you have a trade buddy you could trade over the fossil Pokemon from Fire Red/Leaf Green and the second one from Ruby/Sapphire. In emerald you get both Hoenn Fossils, but at different points in the game.
you cant. try trading the other fossil Pokemon from another game .
No, it is not possible to attain every Pokemon in any Pokemon game. For example, In Pokemon Sapphire, you can't get all the Pokemon, for one, because they usually make you choose between Pokemon (Like the fossils in the desert, you have a choice of two different Pokemon).
You can find two fossils in the dessert where you need the go-goggles, but you can only choose one fossil. The root fossil contains the first evolve form of cradily and the claw fossil contains the first evolved form of armaldo.
Are you talking about fossils, if so, get them at Mirage Tower in one of the desserts near Mauville i think it was.....
Fossils.
in lg and fr in cinnabar lab in ruby and sapphire someone in devon. co in diamond and pearl in oreburgh museum
Pokemon Ruby has Pokemon that Pokemon Sapphire does not and Pokemon Sapphire has Pokemon that Pokemon Ruby does not.
You can not catch Lileep in Sapphire or Ruby. You find two fossils in the Desert and one of them is Lileep. To make the fossil Lileep, go to RustBoro city and go the Devon Cooporation. On the second floor, there is a scientist at the bottom who will turn fossils into Pokemon.