Macrophotograph of the structural detail in a piece of polished petrified palm Image #4048 6144 X 4807 pixels
Macro photograph of the zig-zag joining of the two halves of a fossilized oyster shell (Alectryon carinata) from Madagascar; this species existed during the Cretaceous period Image #2994 6144 X 4912 pixels
Closeup of the structural detail in a piece of colorful petrified wood from Arizona; Araucarioxylon arizonicum from the Chinle Formation; Late Triassic in age ((roughly 225 million years); the state fossil of Arizona Image #4218 4080 X 6055 pixels (6.3 MB)
