That's easy, it's the Skull Fossil, which then seems to evolve into Cranidos. Which is 10x better than Shieldon. (STATS)
No you have to get the armor fossil and revive it then evolve it to a kabutops
(KANTO,JOHTO & HOEEN)kabuto, omanyte, arnorith and lileep evolve at level 40 (SINNOH)shieldon and cranidos evolve at level 30 (UNOVA)tirtouga and archen evolve at level 37
Cranidos is a Rock type Pokemon that can be revived from a Skull Fossil in Pokemon Diamond. It will evolve into Rampardos at level 30.30
take it to the pewter museum and talk to the guy with the black hair he will take your fossil and make it into an omanyte
the skull fossil
either: cast fossil petrified fossil imprint fossil trace fossil
Here are all the fossil Pokemon (as of November 2015):AerodactylAmauraAnorithArchenArcheopsArmaldoAurorusBastiodonCarracostaCradilyCranidosKabutoKabutopsLileepOmanyteOmastarRampardosShieldonTirtougaTyrantrumTyrunt
placoderms (an ancient jawed fish)
You take a amargo fossil from dusty dunes and super evolve it.
ha
it evolves into a kabuto
Jungle Labyrinth. You can evolve it with a miraculous fossil rock to get a Nycto Ace.
cover fossil (or japanese translation shell fossil) then tirtouga (level 37) carracosta.
No people Aerodactyl doesn't evolve hes just a very old fossil that doesn't evolve.
The museum in Oreburgh city has a guy behind the counter that will make you a Pokemon from a fossil.
You have to go underground (with digging kit) and if your lucky, you find a fossil. Take it to the fossil museum in Orenburgh city and give it to the man at the front desk and he will evolve it for you.