Eocene
Sharply increased insect herbivory during the Paleocene–Eocene Thermal Maximum (2007) Ellen D. Currano; Peter Wilf, Scott L. Wing, Conrad C. Labandeira, Elizabeth C. Lovelock, Dana L. Royer
Eocene hyperthermal event offers insight into greenhouse warming (2006) GJ Bowen, TJ Bralower, ML Delaney, et al
Transient Floral Change and Rapid Global Warming at the Paleocene-Eocene Boundary (2005) SL Wing, GJ Harrington, FA Smith, JI Bloch, DM Boyer, et al …