Body fossil – The remains of part (or all) of an actual organism. In the kits, the trilobite (2), brachiopod (3), dinosaur bone (4), horse tooth (5), petrified wood (6), graptolite (7), fish (8), ...

The debate thickened in 2014. For prehistoric scholars, Spinosaurus has been a very elusive dinosaur. Its fossils are rare, and those that are found (Spinosaurus skull bones, tail vertebrae ...