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RE: New-ish Papers
Jerald Harris mentions:
Liu, Y., Liu, Y., and Zhang, H. 2006. LA-ICPMS zircon U-Pb dating in the
Jurassic Daohugou Beds and correlative strata in Ningcheng of Inner
Mongolia. Acta Geologica Sinica (English Edition) 80(5):733-742.
"The Daohugou beds were formed in the geological age of 164-158 Ma of the
If this sticks, then _Epidendrosaurus_, _Pedopenna_, and _Jinfengopteryx_
predate _Archaeopteryx_. No "temporal paradox" here!
Dino Guy Ralph
Docent at the California Academy of Sciences
Dinosaur and Fossil Education
Member of the Society of Vertebrate Paleontology