Macro photograph of the patterns in a piece of petrified wood from Saddle Mountain, Washington State Image #3454 4080 X 6144 pixels
Macrophotograph of the structural detail in a piece of polished petrified wood (Species: Araucaria, a conifer, from the Early Triassic, approx 220 million years ago; Madagascar) Image #3769 6144 X 4080 pixels
An extinct marine invertebrate found in Madagascar; existed during the Middle Cretaceous period approx. 110 million years ago. Image #1769 3196 X 4848 pixels
