Disneynature's secret of earth...........today we are talking about dinosaurs. The triassicoda period is the first period of all dinosaurs that lived over 245 million years ago. the triassicoda time is the time that has desserts bushes trees and plants. The jurrasica time that has plants grass trees and bushes and rivers that is over 145 million years ago. The cretaceousdonia time is the final time of dinosaurs that lived over 65 million years ago Until the glacial period. Mammals were extinct too. Mammals were extinct by the comet hitted earth or the glacier melted.
TRIASSIC DINOSAURS:
Saltopus
Staurikosaurus
Unaysaurus
Melanosaurus
Plateosaurus
Pisanosaurus
Riojasaurus
Mussasaurus
Herrasaurus
Coelophysis
Kentrosaurus
JURRASIC DINOSAURS:
Apatosaurus
Crylophosaurus
Diplodocus
Stegosaurus
Brachiosaurus
Compsognathus
Spinosaurus
CRETACEOUS DINOSAURS:
Albertosaurus
Giganotosaurus
Troodon
Amargasaurus
Psittacosaurus
Pterodaustro
Threrizinosaurus
Dracorex
Microraptor
Pachyrhinosaurus
Protoceratops
Pentaceratops
Parasaurolophus
Pachycephalosaurus
Ankykosaurus
Veliciraptor
Styracosaurus
Igaunodon
Baryonx
Oviraptor Microceratops
Struthiomimus
Muttaburrasaurus
Ouranosaurus
Tsintaosaurus
Suchimimus
Scansoriopteryx
T-rex
Dromeosaurus
Euoplecephalus Edmontosaurus
Stygimoloch
Corythosaurus
Triceratops