Fish Productivity in Open-Ocean Gyre Systems in the Late Oligocene and Miocene

Mx. Jose M Cuevas, Scripps Institution of Oceanography, La Jolla, United States, Elizabeth C Sibert, University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States and Richard D Norris, Scripps Institution of Oceanography, La Jolla, CA, United States