i dont know but try spinax coatlus and pachy hope this helps!
you give them to nick nack and get rewards!
bronoth.
go to the left elevator and the 1st door
Brontoth(water), Arsith(earth), and Elasmoth(wind) is nick nacks team
You can find the sandal fossil for Nick Nack in Greenhorn Plains. Go there and then go to the very back and enter the place where the dino medals were stolen in the beginning of the game. You will meet Duna there and she will give you the fossil. Go back to the hotel and talk to Nick Nack again.
you get the sandle fossil bug shell and the bla bla bla
go to the hotel and go in the elevator on the right.then when you get out go to the door closest to the elevator door.=)
You can give it to Nick Nack, and he will give you these prizes if you give him enough. If you've already done that, then just throw them away or sell them (for 1 dollar).
You go to the back of Mt. Lavaflow and get the 4th tacky idol. Then Nick Nack will ask you for dino droppings (don't know where are) and you can do your level up battle without the dino droppings
talk 2 chieftan in digadig village. he will tell u 2 do hip shaker dance. do it. then bring the skinn back 2 nick nack. the village is in the 2nd digging area
You can find fossil of krona in Bottumsup Bay in a denture shark hole. If you don't know about denture sharks go talk to Nick Nack in the hotel on the elevator on the left it's the first door.
Look where you find the dentures for nick nack also if you dont remember it is ina secret passage under a rock in the top right hand corner