Macro photograph of the exterior surface of a fossilized ammonite (Perisphinctes sp.); existed during the Late Jurassic period approx. 160 million yrs ago; Madagascar Image #3104
Macrophotograph of the structural detail in a piece of fossilized wood (Araucaria) from Arizona; late Triassic (approx. 225 million years) in age; #3995
Macro photograph of the patterns and detail in a cut and polished piece of fossilized wood (Pepperwood) from the Blue Forest formation in Wyoming; Genus: Schinoxylon; Age: 50 million years (Eocene) Image #3561
