in level 3 area
You can find it in rainbow canyon. Just go to the neutral type pay to dig site and dig. Good luck!
in rivet ravine 1st tunnel you find u-raptor fossils
If you meant Saichan, then Mt. Lavaflow in the regular Fossil Fighters. I'm not sure about Fossil Fighters: Champions.
You can find him at bonemoth
Treasure Lake
Petrified Woods
hes in the duengon captured by bowser
You can find allo in the rainbow canyon
in sea floor cavern
You take a amargo fossil from dusty dunes and super evolve it.
you can find it at hot spring heights
In Rivet Ravine tunnel #5.