Yasuhara, Moriaki, Hunt, Gene, Dowsett, Harry J., Robinson, Marci M., and Stoll, Danielle K. 2012. "Latitudinal species diversity gradient of marine zooplankton for the last three million years." Ecology Letters. 15 (10):1174–1179. https://doi.org/10.1111/j.1461-0248.2012.01828.x