Close up photograph of the structural detail in a piece of sliced and polished petrified wood from Mexico Image #4169 5774 X 2812 pixels (6.33 MB)
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 #4085 6144 X 4080 pixels (10.13 MB)
Macro photograph of a fossilized ammonite (Perisphinctes sp.); existed during the Late Jurassic period approx. 160 million yrs ago; Madagascar Image #3105 3200 X 4800 pixels (7.18 MB)
