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 #4078 6115 X 4061 pixels 6115 X 4061 pixels
Macro photograph of the woodgrain detail in a piece of fossilized wood (Spruce) from the Miocene Epoch; from Oregon Image #2410 4748 X 3038 pixels
Macro photograph of a sliced ammonite fossil whose shell was replaced by pyrite during the fossilization process; an extinct marine invertebrate from Morocco Image #2892 6144 X 4080 pixels
