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Fossil Fern / Odontopteris sp.350 million years ago
Blue signs identify the different levels in the soil and bones of the thousands of bison with stone tools that are exposed at the Vore Bison Jump archaeological site, a natural sinkhole located on the grasslands near Wyoming's Black Hills used by the Plains Indians to trap herds of bison between 1500 A.D. and 1800 A.D. Prior to the arrival of European horses, hunting bison was difficult and dangerous, so as winter approached, tribes often joined in communal hunts to drive herds of buffalo over the hidden cliff which would provide food, clothing, shelter, tools, toys an much more for the people.
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.
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.
nothosaurus  fossil on white, isolated
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.
Sea Urchin spine fossil.  The close-up image shows a  sea urchin fossil from the jurassic period inside a limestone.
Fossil footprint of Velociraptor
Insect fossils are on a rock
Magnified close up of shale with multiple trilobite fossils.
Fossilized fern and other plants. The most ancient gray stone with prints of plants
Marine life fossils.
The head and neck of a aquatic dinosaur isolated on white with a clipping path
Detail os the fossil of a prehistoric frog
Fossil of crinoid Encrinus liliiformus 200 million years ago
Calmitacea inside a peace of stone. The fossil was growing in the Carboniferous Period (around 360 to 300 million years ago).
Sea fossils, Arwah Cave, Cherrapunjee, Meghalaya, India.
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
View of a tridactyl footprint fossilised on the rock known as Fossil track or Ichnite, Mosqueruela, Spain
This photograph was taken during the Archaeological Excavation of Asıklı Village, which is located in Aksaray, Turkey, whose history dates back to 10000 BC.
Fossilized fish in a shale rock
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
Ammomite (Ammomoideae) fossil imprint on a limestone. The image was captured in the canton of schaffhausen during springtime.
original Keichousaurus hui fossil from Guizhou Xingyi ,China isolated on white background
Close up of a multitude of fossil crinoids
four Fossils Specimens  : Practical Specimens for Study of Earth Science / Isolated white
Fossilised Fish
Fossilized bone embedded in stone.
Devonian microfossils in limestone matrix include circular and cylindrical crinoids, fan-shaped brachiopod (shell) fragments, speckled bryozoan fragments. Rock is about 1 1/2\
Free Images: "bestof:Prodromus of the paleontology of Victoria BHL13774434.jpg s of Victorian organic remains / By Frederick McCoy 13774434 48929 13870 Table of Contents 1 1874 http"
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