The world was warm, moist, and full of green plants. The era is divided into three periods. An interactive map reveals 8,000 discovery sites. 1. Explore It! Jurassic Period - … Set your timer for 3 minutes and begin. W hen dinosaurs came into existence nearly 230m years ago, all of the world's land masses were joined in one C-shaped "supercontinent", Pangaea. Task Cards (8 total) This time you are going to be using Puzzle #2 on the next slide. 8. When the dinosaurs first started to appear the world did not look how it looks today. During the Jurassic Period, the continents gradually broke apart. The Triassic Period lasted from 250 to 201 million years ago, and the following animals arose during this time: dinosaurs, crocodile relatives, mammals, pterosaurs, turtles, … Write 1-2 sentences summarizing their ability to access to each of the continents in that era. Take a gander at what the Earth looked like at different points in history with this interactive 3D globe. The Dinosaurs' Changing World. As the period ended, earthquakes and volcanic eruptions caused the continent to break into two, and the North Atlantic Ocean was formed. During the Triassic Period, all the continents were joined. Of course, these earliest dinosaurs … TRIASSIC 245 to 208 million years ago There were dinosaurs that lived about 230 million years ago. Paleobiology Database encompasses all known dinosaur species, with more than 2,000 types represented across every continent on Earth. Triassic period: This was the earliest dinosaur age and supposedly the harshest. See what Earth looked like from space when it was ruled by dinosaurs. Dinosaurs lived with their closest relatives (“protodinosaurs” or “dinosaur precursors”) towards the end of the Triassic Period. The continents were joined to form the super-continent Pangaea, and most dinosaur species were small and light-weight; the types you might expect to find in a harsh desert climate. Cretaceous Period dinosaurs list with pictures and facts. About 145 million years ago, volcanic eruptions and earthquakes continued to divide Pangaea into additional pieces of land, or the continents. Dinosaurs lived throughout the Mesozoic Era, which began 245 million years ago and lasted for 180 million years.It is sometimes called the Age of the Reptiles. The dinosaurs that existed at the period were known as Triassic dinosaurs, and they include the Coelophysis. Paleontologists now have evidence that dinosaurs lived on all of the continents. The world was hot and mostly desert, and the only vegetation grew at the coastal areas. All the continents were together in a super continent, Pangea. On this page you’ll find a list of some of the best-known dinosaurs of the Cretaceous Period, together with pictures and facts on each dinosaur. The Earth had heavy vegetation near costs, lakes, and rivers, but desert in its interior. 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