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Fossil
American Indian Arrowhead/Spear Point Artifact in Palm of Hand
Small Insect fossil on stone
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).
Microraptor gui fossil, Early Cretaceous.
Trilobite, Walliserops sp., Morocco.  Acastidae; Arthropoda; Morocco; Phacopida; Trilobita; Trilobite fossil; Walliserops; Walliserops sp; black; brown; cephalon; color image; devonian period; exoskeleton; extinct; fossil; fossiliferous rock; geologic specimen; glabella; horizontal; palaeontology; phacopid trilobite; photograph; photography; trident; trilobite; whole animal
Detail of a fossil Ichthyosaurus.
Magnified close up of shale with multiple trilobite fossils.
fossil trilobite imprinted in the sediment
Millions of Years Old Bird Fossil
Dinosaur Fossil and Archaeological Tools,Dinosaur in the sand
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).
trilobite fossil
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.
Phacops rana (Eldredgeops rana) is a species of trilobite from the middle Devonian period
Rudists embeded in sandstones, cross sections.\nCretaceous marine fossis near Barcelona.
Fossil of ancient reptile in the rock
Marine mammal bone (Cetacea) and other fossils outcrop on the beach at Capitola City Beach, California, USA.
close up on Trilobite fossil isolated on white background
Fossil Shells  on a sandstone rock. The image was captured in Switzerland (Lucerne).
Trilobites
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.
original Keichousaurus hui fossil from Guizhou Xingyi ,China isolated on white background
Trilobite, Cheirurus ingricus, Russia. Arthropoda; Cheiruridae; Cheirurus ingricus; Ordovician; Paleozoic era; Phacopida; Russia; Trilobita; black; brown; cephalon; color image; exoskeleton; extinct; fossil; fossiliferous rock; geologic specimen; glabella; horizontal; middle Ordovician period; palaeontology; photograph; photography; pygidium; trilobite
Ancient fish fossils are on a rock
elrathia Kingi trilobite fossil in gray shale matrix.
Dinosaur Fossil (Tyrannosaurus Rex) Found by Archaeologists
Ammonite inside a large rock. The ammonites where living between 409 and 65 million years ago (Mya).
A fossil of a germanodactyl in a stone slab
Trilobite fossil of the species Metacanthina issoumourensis from  Djebel Issoumou, Morocco\nMiddle Devonian, 393 - 388 million years ago.
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