Sandbian
![View That Primary Carbon Isotope Signatures Have Been Preserved [Samtleben Et Al., 1996; Bickert Et Al., 1997; Cramer and Saltzman, 2005]](http://data.docslib.org/img/264x/5b472c62a30a2dedc53c70019a8f5c67.webp)
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- Δ13c Chemostratigraphy in the Upper Tremadocian Through Lower Katian (Ordovician) Carbonate Succession of the Siljan District, Central Sweden
- (Upper Ordovician) Graptolites from Venezuela
- GEOLOGIC TIME SCALE V
- A Low Diversity Sinuites Gastropod Community from the Floian, Early Ordovician, of South Wales
- Geologic Time Scale” by J.G
- 2009 Geologic Time Scale Cenozoic Mesozoic Paleozoic Precambrian Magnetic Magnetic Bdy
- International Stratigraphic Chart
- Bioerosion of Inorganic Hard Substrates in the Ordovician of Estonia (Baltica)
- Physical Sciences and Engineering 2
- Back Matter (PDF)
- The Fezouata Fossils of Morocco; an Extraordinary Record of Marine Life in the Early Ordovicianpeter Van Roy, Derek E
- Redalyc.Conodont Biostratigraphy and Global Correlation of the Middle
- A New Species of the Gondwanan Genus Cardiolaria Munier-Chalmas in The
- The Oldest Iocrinid Crinoids from the Early/Middle Ordovician of China
- Mercury Spikes Indicate a Volcanic Trigger for the Late Ordovician
- Ordovician of the World
- Tremadocian Ostracods from the Cordillera Oriental, Argentina
- The Ordovician Exposed