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cocoi_m: Four fossil trilobites
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cocoi_m: Macro photograph of a fossil Sand Dollar, Capitola, Santa Cruz County, California
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cocoi_m: Macro photograph of a fossil Eurypterid (Sea Scorpion)
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cocoi_m: A cluster of fossil Trilobites
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cocoi_m: Pyritized Ammonite fossil
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cocoi_m: Pyritized fossil Ammonite
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cocoi_m: A fossil Eurypterid (Sea Scorpion)
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cocoi_m: Macro photograph of a fish (Leptolepis sprattiformis), Solnhofen Limestone
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cocoi_m: Colorful petrified wood, with locally preserved growth rings, Petrified Forest National Park, Arizona
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cocoi_m: Colorful petrified wood, Petrified Forest National Park, Arizona
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cocoi_m: Colorful petrified wood, with locally preserved growth rings, Petrified Forest National Park, Arizona
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cocoi_m: Petrified wood with preserved annular growth rings, Petrified Forest National Park, Arizona
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cocoi_m: Petrified wood with preserved annular growth rings, Petrified Forest National Park, Arizona
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cocoi_m: Petrified wood with preserved annular growth rings, Petrified Forest National Park, Arizona
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cocoi_m: Petrified wood with preserved annular growth rings, Petrified Forest National Park, Arizona
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cocoi_m: Petrified wood, Petrified Forest National Park, Arizona
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cocoi_m: Petrified wood (a log), Petrified Forest National Park, Arizona
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cocoi_m: Macro photograph of a fossil dinosaur (Coelophysis) skull, Ghost Ranch, New Mexico
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cocoi_m: Fossil Crinoid head and stem
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cocoi_m: A fossil Ammonite coronicerus, Early Jurassic
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cocoi_m: Foraminifera in limestone steps to Girona cathedral
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cocoi_m: "What big teeth you have . . ."
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cocoi_m: Fossil Fish (Diplomystus dentatus)
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cocoi_m: A giant fossil Shrimp (Antrimpos sp.), Solnhofen, Germany
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cocoi_m: Fossil Fish (Cockerellites liops)
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cocoi_m: Fossil Horseshoe Crab (Mesolimulus walchi), Late Jurassic