The full-grown iguanodon is estimated to have reached lengths of thirty feet.

Iguanadon

The full-grown iguanodon is estimated to have reached lengths of thirty feet.

An extinct fossil colossal lizard found in the Wealden strata; so called from the resemblance of its teeth to those of the iguana.

Iguanodon

An extinct fossil colossal lizard found in the Wealden strata; so called from the resemblance of its…