Answer: iguanodon

AnswerCrossword Clue
IGUANODONDinosaur with large thumb spikes
IGUANODONBulky herbivorous dinosaur
IGUANODON30-foot-long dinosaur able to walk on either two legs or four
IGUANODONOne of the dinosaurs upon which Godzilla is based
iguanodonA large, partly bipedal, herbivorous dinosaur of the early to mid Cretaceous period, with a broad, stiff tail and the thumb developed into a spike
iguanodona genus of gigantic herbivorous dinosaurs having a birdlike pelvis and large hind legs