Stygimoloch
Torosaurus
The hardest islands are skull duggery and astro knights.
the tonixer
Liopleurodon
The bone.
It is the skull
The skull & hind legs of the Dimorphodon (flying reptile) resembled the 1st dinosaur
Nanct drew the legend of the crystal skull is by far the hardest
He dug up a dinosaur skull.
The Dino Gem is on top of the T-REX tower in the dinosaur skull. It is in the dinosaur district.
Well, all the bones of your skull are of the same hardness, or should be. Typically the thickest part of the skull is the forehead.
The Milwaukee Public Museum does.