Macro photograph of fossilized dino poop/feces (coprolite) Image #3570 3200 X 4800 pixels
Closeup photograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from the Chinle Formation in Arizona; late Triassic (approx. 225 million years) in age; the state fossil of Arizona; an extinct conifer Image #4127 4717 X 3151 pixels
Closeup photograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from the Chinle Formation in Arizona; late Triassic (approx. 225 million years) in age; the state fossil of Arizona; an extinct conifer Image #4125 6144 X 4080 pixels
