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Pentaceratops.jpg (1024×788)

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Opalized, dendritic ammonite.

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Paleontologists found fossils of the largest predatory dinosaur, which belongs to a family of carnivorous theropod dinosaurs in Germany.

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ancient sea urchin, bj bolender

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I would love to find one like this.

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Calamites Fossil Photograph by James L. Amos Calamites, a primitive seedless tree, grew in swamps about 300 million years ago, during the Carboniferous period. This fossil, which measures 6 inches (15 centimeters) tall, is in the collection of the Smithsonian Institution's National Museum of Natural History in Washington, D.C.

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14.89cts Very Bright Large Semi-Black Opal (GLO-2112) Floral Pattern! - Global Opals

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