Macrophotograph of petrified tree fern wood of the Osmunda genus; from the Jurassic period; from Queensland, Australia Image #2856
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 #4068
