Macrophotograph of a sectioned piece of coral fossil from Panama Image #3949 4718 X 3102 pixels
Macro photograph of patterns and colors in a piece of petrified wood (Woodworthia species) from the Chinle Formation in Arizona; approx. 225 million years old Image #2612 3108 X 4708 pixels
Macrophotograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from Arizona; late Triassic (approx. 225 million years) in age; the state fossil of Arizona; an extinct conifer Image #4079 4912 X 6144
