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Images in Time

Illustrations by Stephen Greb provided to KGS for educational use

This section contains many black and white illustrations of ancient life that can be used for time lines, coloring books, science reports, and educational uses. 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. https://www.uky.edu/KGS/)

• Precambrian time images (4.6 billion to 542 million years ago)
• Cambrian images (542 to 488 million years ago)
• Ordovician images (488 to 443 million years ago)
• Silurian images (443 to 416 million years ago)
• Devonian images (416 to 359 million years ago)
• Mississippian (lower Carboniferous) images (359 to 318 million years ago)
• Pennsylvanian (upper Carboniferous) images (318 to 299 million years ago)
• Permian images (299 to 251 million years ago)
• Triassic images (251 to 199 million years ago)
• Jurassic images (199 to 145.5 million years ago)
• Cretaceous images (145.5 to 65.5 million years ago)
• Paleogene and Neogene (Tertiary) images (65.5 to 1.8 million years ago)
• Quaternary images (1.8 million years ago to the present)

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