Dinosaurs

All About Dinosaurs: The Palaeozoic Era

By spalmlund

  • PALAEOZOIC ERA: AN INTRODUCTION TO THE PERIOD

    PALAEOZOIC ERA: AN INTRODUCTION TO THE PERIOD
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  • THE PALAEOZOIC ERA AND ITS PERIODS...

    THE PALAEOZOIC ERA AND ITS PERIODS...
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  • PALAEOZOIC ERA - CAMBRIAN PERIOD:

    PALAEOZOIC ERA - CAMBRIAN PERIOD:
    CAMBRIAN PERIOD PALAEOZOIC ERA (570-250 MILLION YEARS AGO) CAMBRIAN PERIOD:
    570 Million Years Ago. The first fishes, corals, trilobites and shellfish appeared. (PICTURE: of Trilobite)

  • PALAEOZOIC ERA - ORDOVICIAN PERIOD:

    PALAEOZOIC ERA - ORDOVICIAN PERIOD:
    ORDOVICIAN PERIOD PALAEOZOIC ERA (570-250 MILLION YEARS AGO) ORDOVICIAN PERIOD:
    490 Million Years Ago. The first nautiloids appeared. Corals and trilobites were common. (PICTURE: of Nautiloid)

  • PALAEOZOIC ERA - SILURIAN PERIOD:

    PALAEOZOIC ERA - SILURIAN PERIOD:
    SILURIAN PERIOD PALAEOZOIC ERA (570-250 MILLION YEARS AGO) SILURIAN PERIOD:
    438 million years ago. The first land plants and giant sea scorpions called Eurypterids appeared. (PICTURE OF Sea Scorpian).

  • PALAEOZOIC ERA - DEVONIAN PERIOD:

    PALAEOZOIC ERA - DEVONIAN PERIOD:
    DEVONIAN PERIOD PALAEOZOIC ERA (570-250 MILLION YEARS AGO) DEVONIAN PERIOD:
    408 million years ago. The first amphibians, insects and spiders appeared. (PICTURE OF Archaeopteris a plant).

  • PALAEOZOIC ERA - CARBONIFEROUS PERIOD:

    PALAEOZOIC ERA - CARBONIFEROUS PERIOD:
    CARBONIFEROUS PERIOD PALAEOZOIC ERA (570-250 MILLION YEARS AGO) CARBONIFEROUS PERIOD:
    360 million years ago. The first reptiles appeared. Great swamp forests covered the land. (PICTURE OF Carbonous Forest).

  • PALAEOZOIC ERA - PERMIAN PERIOD:

    PALAEOZOIC ERA - PERMIAN PERIOD:
    PERMIAN PERIOD PALAEOZOIC ERA (570-250 MILLION YEARS AGO) PERMIAN PERIOD:
    286 million years ago. The first sailback reptiles such as Dimetrodon (Picture) appeared.