85 million years of pelagic ecosystem evolution: Pacific Ocean deep-sea ichthyolith records reveal fish community dynamics and a long-term decline in sharks

Elizabeth C Sibert1, Richard D Norris2, Mx. Jose M Cuevas3 and Lana Graves1, (1)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, (2)Scripps Institution of Oceanography, La Jolla, CA, United States, (3)University of San Diego, San Diego, CA, United States
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