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Le Cénomanien inférieur du Nouvion-en-Thiérache: examen micrpaléontologique
| Name | Original Description |
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Firtion, F. (1952)
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Firtion, F. (1952)
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Firtion, F. (1952)
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Firtion, F. (1952)
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Firtion, F. (1952)
|
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Firtion, F. (1952)
|