The generic name refers to the large Achilles tendon that connects to the sickle claw on the foot , which was the major combat weapon of dromaeosaurids .
It refers to the large Achilles tendon needed to use the sickle claw on the foot , which was the major weapon of dromaeosaurids .
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 '' .