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 cut and polished piece of petrified wood Image #2819 3589 X 5512 pixels (8.93 MB)
Close up of the surface of a Sputnik sea urchin seashell Image #4184 5967 X 2628 pixels (3.97 MB)
