A large partly bipedal herbivorous dinosaur of the early to mid Cretaceous period, with a broad stiff tail and the thumb developed into a spike.
- Genus Iguanodon, infraorder Ornithopoda, order Ornithischia
- Aladar the iguanodon, the Tarzan of the dinosaur world, is raised by lemurs.
- While still but a lowly egg, a baby iguanodon becomes permanently separated from his momma during a vicious carnosaur attack.
- Still more shadowy were the sinister crocodilian outlines - alligators and other horrible reptiles, culminating in the colossal lizard, the iguanodon.
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