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fossil trilobite imprinted in the sediment
Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs are commonly referred as ammonites
Fossilized fish
Ancient fish fossils are on a rock
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.
close up on fossil fish in the rock
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.
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Ammonite from southern Germany, Balingen
Fossil of a ray-finned fish (Promecosomina) dating from Triassic period.
Magnified close up of shale with multiple trilobite fossils.
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.
Keichousaurus hui sauropterygian fossil from China
Elrathia Kingii Trilobite fossil in shale stone (Cambrian age). (shallow dof)
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
Trilobite fossil (Cheirurus ingricus) from the middle Ordovician peroid (488.3 – 443.7 million years ago) . This specimen was found in Russia
Fossilised Fish
Aquatic animal fossil, Mesolimulus Walchi or Horseshoe Crab Fossil impint in stone isolated on a white background
Ammonite inside a large rock. The ammonites where living between 409 and 65 million years ago (Mya).
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
Detail of a fossil Ichthyosaurus.
Primitive fish fossil
Fossilised Fish
Trilobites fossil from Middle Ordovician Era. Selective focus
Close-up of an ammonite fossil dating from the Jurassic\nperiod.
Complete fish fossil embedded in lime stone
Fossil Fern inside carbon rocks. The image was captured in the Swiss Alps.
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Xiphactinus audax fossil 2.jpg
Fossil Xiphactinus audax.JPG
Xiphactinus audax detail, Gove County, Kansas, USA, Late Cretaceous - Royal Ontario Museum - DSC00060.JPG
Xiphactinus audax, Gove County, Kansas, USA, Late Cretaceous - Royal Ontario Museum - DSC00057.JPG
Xiphactinus audax detail, Gove County, Kansas, USA, Late Cretaceous - Royal Ontario Museum - DSC00059.JPG
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Sendas x Sampaio Corrêa.JPG
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Estádio Arthur Sendas.JPG
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Hyracodon nebrascensis.JPG
Kayentatherium.JPG
Menoceras arikarense 1.JPG
Palaeolagus haydeni.JPG
Propachyrucos ameghinorum AMNH.jpg
Endothiodon angusticeps.JPG
Helodermoides tuberculatus.JPG
Henodus-Ghedo.JPG
Hypertragulus calcaratus.JPG
Ischyodus avitus.JPG
Kannemeyeria erithrea.JPG
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Macrauchenia patachonica skull.jpg
Moschops capensis.JPG
Ophiacodon retroversus 1.JPG
Ornitholestes-Ghedo.JPG
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Pantylus cordatus.JPG
Paracyclotosaurus davidi.JPG
Parapsicephalus purdoni.JPG
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Phenacodus primaevus 1.JPG
Piscophoca pacifica.JPG
Polyglyphanodon sternbergi.JPG
Nimravides catacopis.JPG
Sclerocephalus frossardi 1.jpg
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