Macrophotograph of the structural detail in a piece of fossilized wood from Sweet Home, Oregon Image #3922 4003 X 6028 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
Macro photograph of a sliced Goniatite fossil showing the interior chambered structure of the shell; Devonian in age (approx. 400 million yrs old); from the Atlas Mountains in Morocco Image #3116 4800 X 3200 pixels