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A precambarian era fossil from the west desert of Utah
Ohio Dovetail - Arrowhead - Isolated
Aquatic animal fossil, Mesolimulus Walchi or Horseshoe Crab Fossil impint in stone isolated on a white background
Magnified close up of shale with multiple trilobite fossils.
Small Insect fossil on stone
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
Fossil Fern inside a peace of slate. The fossil is more than 100 mio Years old.
Trilobite Paradoxides spiulosus
Fossils of marine life.Ammonite fossils
Trilobite fossil on stone, prehistoric extinct animal lived in Cambrian and Silurian seas. Big trilobite fossil of prehistoric era and rock. Concept of paleontology, evolution and Paleozoic fossil.
Double elrathia Kingi trilobite fossils superimposed.
illuminated from above 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.
Trilobites fossil from Middle Ordovician Era. Selective focus
Primitive fish fossil
Dinosaur skeleton on the quarry wall at Dinosaur National Monument
Fossilised Fish
Detail of a fossil Ichthyosaurus.
Ammonite inside a large rock. The ammonites where living between 409 and 65 million years ago (Mya).
Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs are commonly referred as ammonites
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.
trilobite fossil texture as very nice natural background
Incomplete close up of an asaphiscus Wheeleri trilobite fossil in gray shale.
Fossil of a prehistoric turtle
Fossilised Fish
Fossilized footprint in stone of Trilobites, extinct big marine arthropods
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
Fossils of brachiopods oldhamina
An Ammonite inside a limestone on an agricultural field. The ammonites where living between 409 and 65 million years ago (Mya).
Free Images: "bestof:Isotelus maximus, Asaphidae, Waynesville Formation, Adams County, Ohio, USA - Houston Museum of Natural Science - DSC01570.JPG Exhibit in the Houston Museum of"
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