Zephyrosaurus

- Pronunciation: ZEF-fer-uh-SAWR-us
- Translation: West Wind Lizard
- Order: Ornithischia
- Suborder: Ornithopoda
- Family: Hypsilophodontidae
- Height: 3 feet (0.9 meters)
- Length: 6.6 feet (2 meters)
- Period: Early Cretaceous
- Description: Herbivore, Bipedal
- Notes: Discovered in Montana, Zephyrosaurus had ridged teeth for chewing plant food and was closely related to Hypsilophodon.