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From
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Geolocation
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Author - title
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Year
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| details | Lochkovian | Pragian | Canada(Quebec) | Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. | 2004 |
| details | Lochkovian | Pragian | Canada(New Brunswick) | Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. | 2004 |
| details | Early Lochkovian | Middle Lochkovian | Brazil(Amazonas) | Grahn,Y. Devonian chitinozoan biozones of Western Gondwana. | 2005 |