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
Macrophotograph showing the structural detail in a whale bone fossil from Oregon Image #4043 6144 X 4080 pixels
Macrophotograph of the structural detail in a piece of fossilized wood (Araucaria) from Arizona; late Triassic (approx. 225 million years) in age Image #3995 6144 X 4080 pixels
