The Devonian Period

@article{Becker2020TheDP,
  title={The Devonian Period},
  author={Ralph Thomas Becker and Jea Marshall and Anne‐Christine Da Silva and Frederick P. Agterberg and Felix Gradstein and James G. Ogg},
  journal={Geologic Time Scale 2020},
  year={2020}
}
2 Citations
High-Resolution Late Devonian Magnetostratigraphy From the Canning Basin, Western Australia: A Re-Evaluation
Late Devonian time was a period of rapid upheaval in the Earth system, including climate change, sea level changes, widespread ocean anoxia, and the Frasnian-Famennian mass extinction; the cause(s)
The swimming trace Undichna from the latest Devonian Hangenberg Sandstone equivalent of Morocco
TLDR
A fossil swimming trace from strata overlying the Hangenberg Black Shale is described, considered here to be the first record of Undichna from the Devonian of Gondwana, as far as the authors know and the oldest record of vertebrate trace fossils from Africa.

References

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Carbon Isotope Stratigraphy
Graptolites
Anchoring the Late Devonian mass extinction in absolute time by integrating climatic controls and radio-isotopic dating
TLDR
It is confirmed that the succession of events within the Upper Kellwasser event is paced by obliquity, under a low-eccentricity orbit, and astronomical insolation forcing likely contributed to the expansion of ocean anoxia and other environmental perturbations associated with these two crises.
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