Treatise on Invertebrate Paleontology
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Rugosa
Guadalupian
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Late Devonian mass extinction
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Scleractinia
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Anthozoa
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Gotland
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Reef
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Coral reef
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Coral
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Permian–Triassic extinction event
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Ordovician
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Geologic time scale
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Extinction event
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Devonian
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Carboniferous
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Rugose coral
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Horn coral
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Tetracoralla
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