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Evidence of microfossils of land plants
Evidence of microfossils of land plants
The Floian Age (477-470 Ma) occurs during the Early Ordovician Period, occurring after the Tremadocian, and before the Dapingian.
Geologic Age
Geologic Age
477.7±1.4–470±1.4 Ma
Eon / Era / Period / Epoch
Eon / Era / Period / Epoch
What happened during this time?
What happened during this time?
Biological
Biological
Cryptospores dominate fossil assemblages
Earliest confirmed micro-fossils from either plants, or charophyte algae relative
Evidence of bryophyte-like spores around 475 Ma (Steeman et al. 2009; Wellman et al. 2003, Shaw and Renzaglia 2004)
Derived from the decay-resistant wall and tetrahedral form which are diagnostic of land plants
Geophysical
Geophysical
Rapid rise in sea level
Additional Resources
Additional Resources
Global Boundary Stratotype Section and Point for Floian Stage
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