Definition of duck-billed dinosaur in English:
Another term for hadrosaur.
- Whether it's horned dinosaurs, crested duck-billed dinosaurs, plated stegosaurs, or dome-headed dinosaurs, paleontologists identify different species largely by these bizarre structures.
- The ornithopods included the hadrosaurs or duck-billed dinosaurs, in which the front of the mouth was enlarged to form a broad flat beak and a variety of bony crests were developed on top of the head.
- Ornithopoda is the third Ornithischian group, and includes the often large hadrosaurs, or ‘duck-billed dinosaurs’.
Definition of duck-billed dinosaur in:
- British & World English dictionary
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