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Images in Time
Images in Time

Illustrations by Stephen Greb provided to KGS for educational use

These illustrations of ancient life are provided for educational uses in time lines, coloring books, science reports, and presentations. Copy them as needed or just use them as guides for your own drawings. The images are arranged by time. The numbers before the title of the image are in millions of years before the present. When using images, please reference Stephen Greb (Images In Time.

Paleozoic Era

443 Silurian Period

443-408 Silurian Period scene

423-386 Jawless fish, Cephalaspis (a shield-headed ostracoderm) <sil_jawless_cephal.jpg>

428 Oldest vascular land plants, Cooksonia

  • 428 Oldest fossil land animal, Pneumodesmus, a millipede

    400 Nesomachilis , a bristletail, one of the oldest fossil insects


    Go to Key Links in Earth History for more info and images about earth history

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