Saurischians
A scientist who studies dinosaurs is called a paleontologist.
1809
Herbivores
Dinosaurs belonged to the class Reptilia. Birds, which are a subgroup of dinosaurs, are often given their own class, even though they are a subgroup of Reptilia.
Sir Richard Owen.
The term 'dinosaurs' refer to any of numerous extinct terrestrial reptiles of the Mesozoic era - ergo, they were not amphibians.
lizard-hipped
bird hipped
We don't group dinosaurs by what they eat. I don't think vegtables were even there during the time of the dinosaurs............. But animals that eat plants are known as herbivores.
The collective noun for dinosaurs is "herd" or "pack." This term is used to describe a group of dinosaurs of the same species that lived and moved together. The collective noun helps to categorize and describe the social behavior of dinosaurs in paleontological studies.
Fossils