Macrophotograph of a sectioned piece of coral fossil from Panama Image #3950 3104 X 4759 pixels
Macrophotograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from the Chinle Formation in Utah; late Triassic (approx. 225 million years) in age; an extinct confier Image #4102 6144 X 4080 pixels
