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fossil trilobite imprinted in the sediment
Sea Urchin spine fossil. The close-up image shows a sea urchin fossil from the jurassic period inside a limestone.
Ancient fish fossils are on a rock
Fossilized fish
Plant fossils in the Harz on slate tablets offer insights into historical flora, are significant for research and education, and are subject to legal regulations.
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.
Fish fossil. Prehistoric fish in stone rock
Magnified close up of shale with multiple trilobite fossils.
nature
Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.
Trilobites
Knightia alta is an extinct genus of fish well-known from abundant fossils found in the Green River Formation of Wyoming, United States. They rarely exceeded 10 cm in length and are found throughout the formation. Knightia alta, Eocene Epoch, Green River Shale. Fossil.
Trilobite fossil (Cheirurus ingricus) from the middle Ordovician peroid (488.3 – 443.7 million years ago) . This specimen was found in Russia
Close up of a multitude of fossil crinoids
Fossil Fern / Odontopteris sp.350 million years ago
Close up of an un-identified plant fossil.
illuminated from above fossil
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
Imprint in the stone of petrified crinoids as a fossil
Fossilised Fish
crinoid fossil
Leaf pattern on a stone wall
Fossil of a ray-finned fish (Promecosomina) dating from Triassic period.
Primitive fish fossil
Fossil animal in ancient stone. Science discovery in nature
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
Fossil of crinoid Encrinus liliiformus 200 million years ago
Fossilised Fish
Fossil Lily
Double elrathia Kingi trilobite fossils superimposed.
Free Images: "bestof:Opabinia smithsonian.JPG en wikipedia 2009 April 15 Fossil specimen of Opabinia regalis from the Burgess shale on display at the Smithsonian in Washington DC"
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