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Dinosaurs Evolution

By 3º EP Montaigne
  • 252 BCE

    1. Triassic Period (252 to 201 million years ago)

    1. Triassic Period (252 to 201 million years ago)
    The Triassic period was the first period. Most of the continents were concentrated in the giant C-shaped supercontinent known as Pangaea. Climate was generally very dry with very hot summers and cold winters in the continental interior.
  • Period: 228 BCE to 231 BCE

    Eoraptors

    The Eoraptor is one of the first dinosaurs of the Triassic Period. They ate meat.
  • Period: 227 BCE to 208 BCE

    Melanosaurus

    This was another ancient herbivore dinosaur.
  • Period: 218 BCE to 226 BCE

    Pisanosaurus

    This was a small dinosaur that walked on two legs and ate plants.
  • Period: 214 BCE to 204 BCE

    Plateosaurus

    They were big herbivores.
  • Period: 209 BCE to 200 BCE

    Coelophysis

    They were small and carnivorous.
  • 201 BCE

    2. Jurassic Period (201 – 145 million years ago)

    2. Jurassic Period (201 – 145 million years ago)
    This period is known as when dinosaurs ruled the land.
  • Period: 200 BCE to 67 BCE

    Plesiosaurus

    They had short necks and massive heads.
  • Period: 160 BCE to 161 BCE

    Juramaia

    It was a small mammal dinosaur
  • Period: 157 BCE to 165 BCE

    Dakosaurus

    It was one of several marine crocodiles.
  • 145 BCE

    3. Cretaceous Period (145 – 66 million years ago)

    3. Cretaceous Period (145 – 66 million years ago)
    During the Cretaceous Period, the continents continued to separate. It was an age of reptiles. Dinosaurs dominated the land, while marine reptiles swam the oceans.
  • Period: 126 BCE to 130 BCE

    Iguanodon

    Duck-billed dinosaurs.
  • Period: 125 BCE to 130 BCE

    Polacanthus

    Armoured dinosaurs.
  • Period: 120 BCE to 150 BCE

    Archaeopteryx

    It is a well-known bird-like dinosaur with wings like a modern bird, it also possessed teeth, clawed fingers and a long tail.
  • Period: 100 BCE to 99 BCE

    Albanerpetontidae

    A family of scaled salamander-like amphibians.
  • Period: 74 BCE to 70 BCE

    Velociraptors

    This dinosaur was a bipedal, feathered carnivore with a long tail and an enlarged sickle-shaped claw in each foot.
  • Period: 68 BCE to 66 BCE

    Tyrannosaurs

    They have a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the forested river valleys in western North America between 68 and 66 million years ago.
  • Period: 68 BCE to 64 BCE

    Triceratops

    With its 3 horns, a parrot-like beak and a large frill that could reach nearly 1 metre (3 feet) across, the Triceratops skull is one of the largest and most striking of any land animal.