Crossword clues for the word: IGUANODON The word IGUANODON has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for IGUANODON Showing 1 to 9 of 9 results Clue(s) 30-foot-long dinosaur able to walk on either two legs or four Bulky herbivorous dinosaur Dinosaur dung fleece has in lining Dinosaur poo collected by international academic Dinosaur with large thumb spikes Dinosaur with spiked thumbs Genus of large herbivorous dinosaurs of the Cretaceous period Large, herbivorous dinosaur that could walk on two legs One of the dinosaurs upon which Godzilla is based