Macrophotograph of the fossilized remains of Turitella sea snails Image #3750 6144 X 4080 pixels
Macro photograph of a cut and polished piece of petrified wood Image #2819 3589 X 5512 pixels (8.93 MB)
Macro photograph of patterns and colors in a piece of petrified wood (Woodworthia species) from the Chinle Formation in Arizona; approx. 225 million years old Image #2615 4689 X 5977 pixels
