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Geolocation
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Author - title
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Year
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| details | Ashgillian | China(Zeijing) | He,S.-C. et al. Late Ordovician acritarchs from changwu Formation of Jiangshan, Zhejiag, China | 1993 | |
| details | Llandeilian | Caradocian | Iran | Reitz,E. et al. Ordovician acritarchs from the Banestan Kerman area, Central Iran Paleobiogeographical evidence for a Warm Water environment | 1995 |
| details | Ashgillian | Poland | Kremer,B. Acritarchs from the Upper Ordovician of southern Holy Cross Mountains, Poland. | 2001 |