Izaiah

By ZAYAHGHUNNID
  • 570 BCE

    Cambrian Period - 570 - 500 MYA

    Cambrian Period - 570 - 500 MYA
    Trilobites were the dominant species during the cambrian period, 540 to 490 MYA.
  • 488 BCE

    Ordovician Period - 488 - 433 MYA

    Ordovician Period - 488 - 433 MYA
    Rich variety of marine life flourished in the vast seas. First primitive plants began to appear. Supercontinent Gondwana is formed. 488 to 433 MYA.
  • 433 BCE

    Silurian Period - 433 - 416 MYA

    Silurian Period - 433 - 416 MYA
    Underwater life thrived. Continental land masses were low while sea levels were on the rise. It meant rich shallow seas with niches.
  • 416 BCE

    Devonian Period - 416 - 358 MYA

    Devonian Period - 416 - 358 MYA
    It is known as the "Age of Fishes". Time of extensive reef building. There were fist insects and important events in the evolution of the plants.
  • 359 BCE

    Carboniferous Period - 359 - 299 MYA

    Carboniferous Period - 359 - 299 MYA
    Carboniferous period had vast swamp forests. Some of these swamps produced coal. The name Carboniferous comes from large coal deposits in the ground formed by vegetation.
  • 299 BCE

    Permian Period - 299 - 251 MYA

    Permian Period - 299 - 251 MYA
    The two supercontinents at the time Gondwana and Euramerica collided to form another supercontinent known as Pangea. Because of how immense it was, Pangea's inner lan was much cooler than the period before. Synapsids and Sauropsids are the two animals that dominated the permian landscape. There would be a mass extinction.
  • 251 BCE

    Triassic Period - 251 - 199 MYA

    Triassic Period - 251 - 199 MYA
    Diversity of life outside of the oceans really bagan. Climate over pangea was generally pretty dry. The oceans were depopulated after the mass extinction in the Permian period. The first mammals evolved near the end of this period.
  • 199 BCE

    Jurassic Period - 199.6 - 145.5 MYA

    Jurassic Period - 199.6 - 145.5 MYA
    Pangea split apart and was no more. It was the age of the dinosaurs and all life was evolving and becoming more complex.
  • 145 BCE

    Cretaceous Period - 145 - 66 MYA

    Cretaceous Period - 145 - 66 MYA
    The climate was more humid and hot than now. Land was breaking into continents. Mass extinction.
  • 66 BCE

    Tertiary Period - 66 - 2.6 MYA

    Tertiary Period - 66 - 2.6 MYA
    The Tertiary was an interval of enormous geologic, climatic, oceanographic, and biological change. It went from a world dominated by land species and reptiles to a world of polar glaciation.
  • 2

    Quaternary Period - 2.6 MYA - Present

    Quaternary Period - 2.6 MYA - Present
    The first humans are born and mankind begins. Enormous animals like mammoths and giant bison. The entire Quaternary Period, including the present, is referred to as an ice age due to the presence of Antarctica.