The term Dinosauria was first used by Owen in his report published in 1842. You’ll often find ‘Dinosauria’, which is rooted in Greek, quoted as meaning ‘terrible lizard’. But in coining the term in ...

Mantell’s collections include Iguanodon and Hylaeosaurus material, two of the three taxa that Richard Owen used to define Dinosauria in 1842. Many other collections have been added since then.