There are hundreds of known dinosaur genera and even more individual species. However, here are the names of a few of the major groups, and an example of each:
Saurischia
Theropoda (bipedal carnivores; T-rex)
Sauropodamorpha (long necked, generally large, plant eating dinosaurs; Apatosaurus)
Ornithischia
Neornithischia
Ornithopoda (small, bipedal plant eaters, and also large, common plant eaters without armor or horns; Edmontosaurus)
Ceratopsia (horned herbivores [ceratopsians]; Triceratops)
Pachycephalosauria (armored-headed bipeds [pachycephalosaurs]; Pachycephalosaurus)
Thyreophora
Ankylosauria (armor covered herbivores; Ankylosaurus)
Stegosauria (herbivores with bony plates sticking vertically upward from thei backs; Stegosaurus)
There are many different dinosaur names just as there are different types. One of their names are Tyrannosaurus Rex.
they are 2 types of t-rexes
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...