His attempts to reconstruct the structure and life of `` Iguanodon '' began the scientific study of dinosaurs : in 1822 he was responsible for the discovery ( and the eventual identification ) of the first fossil teeth , and later much of the skeleton , of `` Iguanodon '' .
Mantell 's work on the structure and life of `` Iguanodon '' began the scientific study of dinosaurs . In 1822 he was responsible for the discovery ( and the eventual identification ) of the first fossil teeth , and later much of the skeleton , of `` Iguanodon '' .