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Author - title
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Year
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| details | Richmondian | Canada(Quebec) | Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. | 2004 | |
| details | Early Ashgillian | Middle Ashgillian | Canada(New Brunswick) | Wilson,R.A. et al. Stratigraphy and tectono-sedimentary evolution of the Late Ordovician to Middle Devonian Gasp© Belt in northern New Brunswick: Evidence from the Restigouche area. | 2004 |