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Devonian fossils in limestone matrix include bryozoa, crinoid, and brachiopod fossils. Largest pieces are about 1/2 inch (10 mm). Fossil and Prairie Park Preserve, Silos and Smokestacks National Heritage Area, Rockford, Iowa, USA.
Fossils on the beach ar Robin Hood's Bay, Yorkshire coast
Ammonite fossils in limestone. The ammonites where living between 409 and 65 million years ago (Mya). The fossils where found in the canton of Aargau (Switzerland).
Cenomanian aMmonite occurs on the surface of limestone, Vergons, SE France.
Ancient fish fossils are on a rock
A full frame brown beige abstract background of gray and white color clam mollusk fossil seashells embedded in rock layers.
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.
Fossilized leaf. Selective focus. Close-up, background and texture.
Old stones background. imprint of an ancient ammonite from the Mesozoic era.
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
Petrified fossil crinoids (sea lilies, featherstars) in stone
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
Isolated on white.
Millions of Years Old Bird Fossil
Fossils ammonites in nature. Joyful. Ardèche
Ammonite nautilus fossil embedded in a rock
Fossil of shell with grooves as a backdrop. I photographed this structure at the coast of the island Bonaire. I like the natural texture with the beautiful lines in this image.
Salt formations on the stones of Garmasr salt cave in Iran
Ammonite fossil trace in Torcal de Antequera, Andalusia, Spain
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).
Solnhofen Limestone with Subplanites sp. Ammonite fossil
Fossilised Fern Leaf embedded in limestone
coral fossil texture as very nice geology background
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
Ground granite rock with two groups of concentric circles, Pena de Chaos petroglyphs decoration and ancestral art , Antas de Ulla, Lugo province, Galicia, Spain, set in early Bronze Age. Petroglyphs are of public free access.
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a white background
Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.
Whitby, Yorkshire, UK - October 20 2021. Close up of an ammonite fossil in soft shale rock on the Scaur of Whitby beach
Fossilised Fish
Free Images: "bestof:Fossil vegetable Phytolithus Derbyshire.png s of petrifactions By William Martin - Fossil - PHYTOLITHUS sulcatus Graminis trunci cylindrici simplicis articulis"
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