Bactrosaurus

- Pronunciation: BAK-truh-SAWR-us
- Translation: Bactrian Lizard
- Order: Ornithischia
- Suborder: Ornithopoda
- Infraorder: Iguanodontia
- Family: Hadrosauridae
- Height: 8 feet (2.4 meters)
- Length: 20 feet (6.1 meters)
- Period: Late Cretaceous
- Description: Herbivore, Bipedal
- Notes: Bactrosaurus is one of the earliest known duck-billedhadrosaurs. It had fewer teeth than did later hadrosaurs. It livedin what is now Mongolia.