Extreme ecosystem instability suppressed tropical dinosaur dominance for 30 million years.

@article{Whiteside2015ExtremeEI,
  title={Extreme ecosystem instability suppressed tropical dinosaur dominance for 30 million years.},
  author={Jessica Hope Whiteside and Sofie Lindstr{\"o}m and Randall B. Irmis and Ian J. Glasspool and Morgan F Schaller and Maria Dunlavey and Sterling J. Nesbitt and Nathan D. Smith and Alan H. Turner},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2015},
  volume={112 26},
  pages={7909-13}
}
A major unresolved aspect of the rise of dinosaurs is why early dinosaurs and their relatives were rare and species-poor at low paleolatitudes throughout the Late Triassic Period, a pattern persisting 30 million years after their origin and 10-15 million years after they became abundant and speciose at higher latitudes. New palynological, wildfire, organic carbon isotope, and atmospheric pCO2 data from early dinosaur-bearing strata of low paleolatitudes in western North America show that large… CONTINUE READING
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