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No records
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Bergström, S. M. et al. |
1988 |
Conodont Biostratigraphy of Some Middle Ordovician Stratotypes in the Southern and Central Appalachians |
https://www.zotero.org/groups/rnames/items/itemKey/MZMUNS57 |
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Bergström, S. M. et al. |
1998 |
The base of the Nemagraptus gracilis Zone as the base of the global Upper Ordovician Series: Three potential stratotypes |
https://www.zotero.org/groups/rnames/items/itemKey/DBKXNVN7 |
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Bergström, S. M. et al. |
1995 |
Nomenclature, stratigraphy, chemical fingerprinting, and areal distribution of some Middle Ordovician K-bentonites in Baltoscandia |
https://www.zotero.org/groups/rnames/items/itemKey/N7I9FQ33 |
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Bergström, S. M. et al. |
2016 |
Upper Ordovician δ13C org chemostratigraphy, K-bentonite stratigraphy, and biostratigraphy in southern Scandinavia: A reappraisal |
https://www.zotero.org/groups/rnames/items/itemKey/HUEBMMTR |
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Bergström, S.M |
2009 |
The new chronostratigraphic classification of the Ordovician System and its relations to major regional series and stages and to δ13C chemostratigraphy |
https://www.zotero.org/groups/rnames/items/itemKey/UG8R9SHR |
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Bergström, S.M. |
1979 |
Whiterockian (Ordovician) conodonts from the Hølonda Limestone of the Trondheim Region, Norwegian Caledonides |
https://www.zotero.org/groups/rnames/items/itemKey/5D3C7KVM |
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Berry, W. B. N. |
1962 |
Stratigraphy, Zonation, and Age of Schaghticoke, Deepkill, and Normanskill Shales, Eastern New York |
https://www.zotero.org/groups/rnames/items/itemKey/RE37BWAW |
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Berry, W. B. N. |
1962 |
Stratigraphy, Zonation, and Age of Schaghticoke, Deepkill, and Normanskill Shales, Eastern New York |
https://www.zotero.org/groups/rnames/items/itemKey/RE37BWAW |
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Beznova et al. |
2011 |
The Ordovician–Silurian boundary on the western slope of the subpolar Urals |
https://www.zotero.org/groups/rnames/items/itemKey/F42KXKZD |
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Bjerstedt, T. W. & Erickson, J. M. |
1989 |
Trace Fossils and Bioturbation in Peritidal
Facies of the Potsdam-Theresa Formations (Cambrian Ordovician), Northwest Adirondacks |
https://www.zotero.org/groups/rnames/items/itemKey/WJ3D87ET |
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