Macrophotograph of the structural detail in a piece of fossilized wood from Sweet Home, Oregon; #3918
Macrophotograph of a sliced ammonite fossil (Hildoceras sp.); Lower Jurassic (180 million yrs) in age; from the Junction Bed formation; Somerset, England; #3175
An extinct marine invertebrate found in Madagascar; Cleoniceras cleon existed during the Middle Cretaceous period approx. 110 million years ago; #2319BWst
