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Biostratigraphy
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Conodonts
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New-brunswick
North-central Newfoundland
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Allochthonous Limestones
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Central Precordillera
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China
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Darriwilian
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Eoplacognathus Crassus Chen
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Excursion Gice
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Formation Middle Ordovician
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Graptolite Biostratigraphy
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Graptolites
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Multidisciplinary
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New-south-wales
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Pha-phum Area
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Sandbian
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Tarim
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