5/5 😎
1 Iguanodon (ornithopod dinosaur) was the second dinosaur formally named, after Megalosaurus.
2 Cretaceous (80 million years, it is the longest geological period of the entire Phanerozoic)
3 Titanosaurians were the last surviving group of long-necked sauropods
4 Tyrannosaurus rex (rex meaning "king" in Latin), often called T. rex
5 Jurassic Period period was marked by the major Triassic–Jurassic extinction event, the break-up of Pangaea and opening of the Atlantic and Indian oceans.
Waah congrats, tips plz 🤣 i will gather as many tips as possible