Carboniferous period life

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Trilobite fossil in rock

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fossil fish in rock

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Trilobite fossil in rock

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Trilobite fossil in rock

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trilobite fossil in rock

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fossil trilobite in rock

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Trilobite Fossil

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Fossil of a stalked crinoid

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Ammonite fossil cross-section

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trilobite fossil specimen

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fossil fish in stone

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