iguanodon
Refers to the dinosaur genus Iguanodon. The Japanese term is a direct translation using 禽 (bird) and 竜 (dragon), reflecting early interpretations of the dinosaur's bird-like features.
See also: イグアノドン
Iguanodon was a herbivorous dinosaur that lived in the Early Cretaceous period.
I saw a skeletal specimen of an iguanodon at the museum.