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Fossil Fern / Odontopteris sp.350 million years ago
Sea Urchin spine fossil.  The close-up image shows a  sea urchin fossil from the jurassic period inside a limestone.
Detail of a fossil Ichthyosaurus.
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.
Leaf pattern on a stone wall
nature
ancient fossil of a fish eating another fish
Fossilized fish
Natural material, such as a large stone with the imprint of a prehistoric creature, allowing the study of natural diversity during the dinosaur period and earlie
Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.
Fossilized fern and other plants. The most ancient gray stone with prints of plants
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.
Engraving of \
Fossilised Fish
Close-up shot of a prehistoric creature.
Primitive Living Fossil
crinoid fossil
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
Fossil of the prehistoric bird Archeopteryx. The historical significance of this theropod lies mainly in its role as the missing evolutionary link between reptiles and birds.
34 million year old fossil plant parts.
Pycnosteroides Laevispinosus fish fossil from Lebanon
close up on fossil fish in the rock
Fossilised Fish
Archaeopteryx lithographica.
Sea Urchin spine fossils.  The close-up image shows several  sea urchin spine fossils from the jurassic period on white background.
Fossil of crinoid Encrinus liliiformus 200 million years ago
Old anatomical model of the inside of a human head.
Fossil animal in ancient stone. Science discovery in nature
Primitive fish fossil
Free Images: "bestof:Prodryas.png en Engraving of the holotype fossil of Prodryas persephone from an advert in Canadian Entomologist Canadian Entomologist Samuel Hubbard Scudder"
Open-air Studio (William Blair Bruce) - Nationalmuseum - 20342.tif.tiff
Bijar in First World War (1914-1918) 3.JPG
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