Unusual coloration in an Ammonite (Cleoniceras cleon) fossil; Middle Cretaceous (110 million years ago); from Madagascar Image #2423 3200 X 4800 pixels
Macro image of the patterns in a cut pearlized nautilus shell in black and white Image #1485BW
Macro photograph looking down on a piece of fossilized coral with emphasis on its repetitive patterns and textures Image #3621 4800 X 3200 pixels
