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Detail of a fossil Ichthyosaurus.
Keichousaurus hui sauropterygian fossil from China
Aquatic animal fossil, Mesolimulus Walchi or Horseshoe Crab Fossil impint in stone isolated on a white background
Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.
top view dinosaur skeleton fossil
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
Fossilized footprint in stone of Trilobites, extinct big marine arthropods
Magnified close up of shale with multiple trilobite fossils.
Fossil of ancient reptile 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.
trilobite fossil texture as nice natural background
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).
Fossilized prehistoricanimal - trilobite fossill in rock
Primitive fish fossil
four Fossils Specimens  : Practical Specimens for Study of Earth Science / Isolated white
Ammonite Fossil preserved in the rocks mined from the reserve found in the Middle Atlas Mountains of Morocco
Detail of a fossil Ichthyosaurus.
Leaf pattern on a stone wall
Solnhofen Limestone with Subplanites sp. Ammonite fossil
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.
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.
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.
Abruzzo, Italy: fossil shells enclosed in the sedimentary rocks of a mountain river in the Gran Sasso Monti della Laga National Park, sign that the mountain range was once submerged
Beautiful fossil of some sort of dinosaur reptile from Madagascar, isolated on a white background
Fossilised Fish
dinosaur predator illustration
Double elrathia Kingi trilobite fossils superimposed.
Free Images: "bestof:Elemente der palaeontologie (Page XIII) BHL14893743.jpg Elemente der palaeontologie Palaeozoologie / von Rudolf Hoernes 14893743 51562 14950 Page XIII Table of"
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