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From
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To
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Geolocation
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Author - title
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Year
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| details | Late Caradocian | Middle Ashgillian | Iran | Ghavidel-Syooki,M. et al. Biostratigraphy and palaeogeography of Late Ordovician chitinozoans from the northeastern Alborz Range, Iran | 2002 |
| details | Mohawkian | Edenian | Canada(Quebec) | Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. | 2004 |
| details | Mohawkian | Edenian | Canada(New Brunswick) | Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. | 2004 |