How to Use "hadrosaur" with Example Sentences

1. The researchers say the scratches reveal that the movements of hadrosaur teeth were complex and involved up and down , sideways and front-to-back motion .
2. Although its name identifies it as a small duckbill , it is based on juvenile remains , and the size of the adult hadrosaur is unknown .
3. So far , they have determined that the hadrosaur 's hindquarters are 25 percent larger than previously thought for the species , meaning that it could run up to 28 mph -- faster than previously estimated .
4. While the scratches told the scientists how the animal may have chewed , the lack of pit marks on the teeth suggested what the hadrosaur was eating .