- Dinosaur
- Genus of herbivorous dinosaurs
- Herbivorous dinosaurs
- A genus of large Jurassic dinosaurs remarkable for a
powerful dermal armature of plates and spines.
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- Horned dinosaur
- Three-horned dinosaur
- Bipedal dinosaur
- A genus of gigantic herbivorous dinosaurs having a
birdlike pelvis and large hind legs with three-toed feet capable of
supporting the entire body. Its teeth resemble those of the iguana,
whence its name. Several species are known, mostly from the Wealden of
England and Europe. See Illustration in Appendix.