Dracorex hogwartsia Hylaeosaurus Microscopic remains of soft tissue

Microscopic remains of soft tissue and collagen fibers were also found on the surface of some Tyrannosaurus rex teeth

Smilodon (S

Size: The size of Elasmotherium sibiricum varied

Its small size and ability to move quickly likely helped it avoid the larger predators that shared its environment

Shunosaurus had a long

Dracorex hogwartsia Hylaeosaurus Microscopic remains of soft tissueDracorex hogwartsia was a pachycephalosaurid dinosaur that lived during the Late Cretaceous , approximately 66 million years ago , in what is now North America. Its fossil remains were discovered in the Hell Creek Formation, in South Dakota (United States), and described in 2006. The generic name, Dracorex , means "dragon king", while the epithet hogwartsia is a tribute to the fictional wizarding school in the Harry Potter universe, due to its