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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.
Ancient fish fossils are on a rock
Magnified close up of shale with multiple trilobite fossils.
Fossilized prehistoricanimal - trilobite fossill in rock
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
nature
Pycnosteroides Laevispinosus fish fossil from Lebanon
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.
Fossilised Fish
Fossilized footprint in stone of Trilobites, extinct big marine arthropods
The island of Oahu, in the state of Hawaii, from old camera film in 1987.
Fossilized fern and other plants. The most ancient gray stone with prints of plants
Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.
Elrathia Kingii Trilobite fossil in shale stone (Cambrian age). (shallow dof)
Devonian cronoid fossils in limestone matrix. Largest is about 1/4\
Fossilised Fish
close up on fossil fish in the rock
Fossilized fish
The fossil of a fish in grey slated stone
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.
ancient fossil of a fish eating another fish
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).
Pycnosteroides Laevispinosus fish fossil from Lebanon
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
trilobite fossil texture as nice natural background
Fossils of marine life.Ammonite fossils
Horseshoe Crab fossil
elrathia Kingi trilobite fossil in gray shale matrix.
Free Images: "bestof:CambrianRusophycus.jpg en Rusophycus presumably R pectinatus i e Cruziana pectinata sensu Seilacher and other trace fossils from the Gog Formation Middle"
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Epistreptophyllum Matmor CW366.jpg
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Axosmilia oral view 031815.jpg
Actinostreon Matmor Jurassic 171 173.jpg
Mytilus (Falcimytilus) jurensis.jpg
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Naticid borehole Calvert.jpg
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Miocene Bored Cobble Cut labeled.jpg
Stigmatella personata.jpg
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Cruziana Brallier Harrell Devonian.jpg
AsteriacitesUtah.jpg
Discohelix tunisiensis apical.jpg
Apiocrinites negevensis proximale.jpg
Osgodby Formation Cayton Bay.jpg
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Enallhelia 370 Callovian Israel.JPG
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Paraceratites trinodosus Prezzo Lmst.JPG
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GastrochaenolitesMatmor.jpg
ThalassinoidesIsrael.JPG
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Chanares Formation with masseto.jpg
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Rogerella elliptica Jurassic.JPG
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Entobia Prairie Bluff Chalk Formation Cretaceous.JPG
Chlamys Pliocene Cyprus.jpg
Naticarius millepunctatus Pliocene Cyprus.jpg
Vermetus Pliocene Cyprus aperture view.jpg
Syringothyris bored Wooster Carboniferous.jpg
Phaenopora superba Silurian Brassfield.jpeg
Matmor calcisponge Peronidella.jpg
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Constellaria polystomella Liberty Formation.jpg
Trepostome on Hebertella richmondensis.JPG
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Syringothyris texta Hall 1857 dorsal.jpg
CamelFootprintBarstowMiocene.jpg
Petroxestes pera Ordovician Ohio.jpg
EntobiaVoigtoporaCoonCreek.jpg
Exogyra costata Prairie Bluff Fm Maastrichtian.JPG
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Amphiastrea Etallon 1859 Matmor Formation.JPG
Olenellus terminatus Pyramid Shale Carrara Formation.jpg
MicrosolenaReverseBeekiteCW366.jpg
Chaetetid Benxi Formation (Moscovian) Benxi Liaoning China.jpg
Chaetetid Bird Spring closer Upper Carboniferous Nevada.jpg
Chaetetid Bird Spring cross-section Upper Carboniferous Nevada.jpg
Chaetetid Bird Spring Upper Carboniferous Nevada.jpg
Kinneyia Grimsby Silurian Niagara Gorge.jpg
Heliophyllum halli Bethany Center Centerfield 2.jpg
Stereolasma cross section.jpg
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Flexicalymene meeki pygidium view.JPG
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Kutchirhynchia dorsal.jpg
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Leptosphinctes microconch Jurassic Dorset.jpg
Brachiopods Leberfinger quarry.jpg
Phacops-enrolled.jpg
Anomalodonta gigantea Waynesville Franklin Co IN.JPG
Stigmatella personata thin section.jpg
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Gyroceras cyclops Columbus Ls Devonian.JPG
Echinolampas ovalis M Eocene Civrac-en-Médoc France oral.JPG
Echinolampas ovalis M Eocene Civrac-en-Médoc France.JPG
Calapoecia huronensis Billings, 1865 top.jpg
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Cererithyris arkelli Almeras 1970 dorsal.jpg
JurassicCrinoidsIsrael.JPG
Opisthocoelicaudia footprint.JPG
Langton Herring Praeexogyra hebridica var elongata Frome Clay Bathonian.jpg
Atrypid dorsal.jpg
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Anzu MRF 319 specimens.png
Ottoia prolifica Type B tooth.png
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