Petrified Wood
Closeup photograph of the structural detail in a piece of fossilized wood (Araucarioxylon arizonicum) from the Chinle Formation in Arizona; late Triassic (approx. 225 million years) in age; the state fossil of Arizona; an extinct conifer Image #4126 4080 X 6144 pixels
Crystallized Petrified Wood
Macro photograph of crystalline patterns in a cut and polished piece of fossilized wood from the Blue Forest formation in Wyoming; Genus: Schinoxylon; Age: 50 million years (Eocene Epoch) Image #2224 pixels 4679 X 3093
Petrified Wood Fossil
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 #4085 4800 X 3200 pixels
Arizona Petrified Wood
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 #4069 5935 X 3711 pixels
Fossilized Pepperwood
Macro photograph of the patterns and detail in a cut and polished piece of fossilized wood (Pepperwood) from the Blue Forest formation in Wyoming; Genus: Schinoxylon; Age: 50 million years (Eocene) Image #3556 3200 X 4800 pixels
Fossilized Dinosaur Bone
Macro photograph showing the internal cellular structure in a slice of dinosaur (Iguanodon) bone; collected from the Wealden Clay Formation on the Isle of Wight, UK; existed about 125 million years ago Image #2637 4800 X 3200 pixels
Coral Geode
Macro photograph of a fossilized crystal-lined coral geode (from Tampa Bay, Florida) Image #2265 4572 X 3093 pixels
Ammonite Fossil
An extinct marine invertebrate found in Madagascar; Cleoniceras cleon existed during the Middle Cretaceous period approx. 110 million years ago Image #2319 3164 X 4773 pixels
Stromatolite Fossil
Earths' oldest fossils; formed by the activity of microbial mats (particularly cyanobacteria} in limestone-rich shallow waters Image #3767 6144 X 4912 pixels
Petrified Wood (Conifer)
Macro photograph of a piece of petrified wood....a conifer (Araucaria) from the early Triassic age approx. 220 million years ago...from Madagascar Image #2040 4567 X 3074 pixels
Fossilized Coral
Macro photograph looking down on a piece of fossilized coral with emphasis on its repetitive patterns and textures Image #3623 6144 X 4080 pixels
Macro photograph of a split fossilized ammonite shell showing the internal mineralized chambers; an extinct marine invertebrate from Madagascar; age: Cretaceous-Albian stage (110 million years ago) Image #3260 6091 X 4080 pixels
Earths' oldest fossils; formed by the activity of microbial mats (particularly cyanobacteria} in limestone-rich shallow waters Image #3765 4699 X 5797 pixels
Coral Fossil Geode
Cross section of a piece of agatized fossilized coral; Miocene in age (25-32 million years); from the west coast of Florida Image #3137
Goniatite Fossil
Macro photograph of a sliced Goniatite fossil showing the interior chambered structure of the shell; Goniatites are an extinct ammonoid cephalopod, Devonian in age (approx. 400 million yrs old); this from the Atlas Mountains in Morocco Image #3118 4080 X 5380 pixels
Dinosaur Bone Fossil
Macro photograph of a cross-sectioned dinosaur bone showing the interior cellular structure (unidentified Sauropod from the late Jurrasic period (150 million yrs ago)); Colorado Image #3334 4800 X 3200 pixels
Ammonite Fossil Slab
Polished rock containing ammonite fossils in various degrees of fragmentation; also known as Marston Magna Marble; approx. 200 million yrs old (Lower Jurassic) mined in Somerset, England Image #3365 3098 X 4766 pixels
Sea Snail Fossils
Macrophotograph of the fossilized remains of Turitella sea snails Image #3751 4800 X 3101 pixels
An extinct marine invertebrate found in Morocco. Existed during the Cretaceous period. Image #2197 4716 X 3096 pixels
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 #4078 6115 X 4061 pixels 6115 X 4061 pixels
Fossilized Spruce
Macro photograph of the woodgrain detail in a piece of fossilized wood (Spruce) from the Miocene Epoch; from Oregon Image #2410 4748 X 3038 pixels
Pyritized Ammonite Fossil
Macro photograph of a sliced ammonite fossil whose shell was replaced by pyrite during the fossilization process; an extinct marine invertebrate from Morocco Image #2892 6144 X 4080 pixels
Fossilized Whale Bone
Macrophotograph showing the structural detail in a whale bone fossil from Oregon Image #4043 6144 X 4080 pixels
Macrophotograph of the structural detail in a piece of fossilized wood (Araucaria) from Arizona; late Triassic (approx. 225 million years) in age Image #3995 6144 X 4080 pixels
