It depends which types of names you mean, dinosaur means terrible lizard whereas most of their names come from other languages and describe their charicteristics and personalities
Sinornithosurus was one of them.
dinosaurs
The paleontologists who found them named them.
carnivores
Carnivores
plant eaters
Some bipdeal dinosaurs from the Cretaceous with names beginning in "A" include: Achillobator Austroraptor Adasaurus Atrociraptor
Yolko, Shelly, and Eggwardo
Two of the earliest dinosaurs to be named were the Iguanodon (a plant-eater) and Megalosaur (a meat-eater).
herboviores
dinosaurs and many more
stegosaurus and ankylosaurus...