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Ancient fish fossils are on a rock
Detail of a fossil Ichthyosaurus.
Ammonite inside a limestone rock. The ammonites where living between 409 and 65 million years ago (Mya). The image was captured in the canton of Aargau (Switzerland).
Fossilized prehistoric animal - reptile fossil in rock
Archaeopteryx marble imprint, fossilized imprint, imprint transitional form (mosaic form), of a theropod dinosaur. Replica of a lime-impression (limestone slab) from the Jurassic about 150 million years old.
Ammonite and Orthoceras Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco
Close-up shot of a prehistoric creature.
Red rock formation as background.
Red Rock Canyon State Park, California
Fossil of ancient reptile in the rock
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
bauxite is a natural mixture of aluminum oxides. Used in the production of alumina, cement and other industrial products
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
Trilobite fossil (Cheirurus ingricus) from the middle Ordovician peroid (488.3 – 443.7 million years ago) . This specimen was found in Russia
Large African caterpillars
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a white background
Hoodoos in Bryce Canyon National Park, Utah
close up on Trilobite fossil isolated on white background
Large piec of petrified wood in the Escalante Petrified Forest State Park.
Abelisaurus was a theropod dinosaur that lived in Argentina during the Cretaceous Period.
red rock wall, the detail of the Kings Canyon  rock, Outback, Australia
Fossil ammonite fossil isolated on white background with clipping path
Ancient rock art incised in a sandstone boulder.
Piece of petrified log in the Petrified Forest National Park in Arizona United States
Hoodoos in Bryce Canyon, seen from Sunset Point in Bryce Canyon National Park, Utah.
3D render of a psittacosaurus (meaning \
Eurasian griffon vulture couple (Gyps fulvus) in Capolat cliffs, Berguedà. Barcelona province.
Trilobites fossil from Middle Ordovician Era. Selective focus
The wilderness of Cape Point National Park, Western Cape, South Africa
Free Images: "bestof:Phelsuma gigas.jpg Fossil bones of the Rodrigues Giant Day Gecko http //www archive org/details/philtrans05045839 1879-01-01 Gunther A PD-old Phelsuma gigas"
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