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Author - title
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Year
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| details | Pragian | France(Mayenne) | Le H©riss©,A. Lower Devonian spores of the Laval Synclinorium (Massif Armoricain) | 1983 | |
| details | Late Siegenian | Pragian | France(Mayenne) | Le H©riss©,A. Lower Devonian spores of the Laval Synclinorium (Massif Armoricain) | 1983 |
| details | Nd | Nd | Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. | 1996 |