Christopher J. Campisano, R. Bernhart Owen, Jon D. Pelletier, Richard Potts, Kaye E. Reed, Robin W. Renaut, James M. Russell, Joellen L. Russell, Frank Schäbitz, Jeffrey R. Stone, Martin H. Trauth, Daniel O. Olago, Anders Noren, Tim K. Lowenstein, Andrew S. Cohen, J. Ramon Arrowsmith, Asfawossen Asrat, Anna K. Behrensmeyer, Erik T. Brown, Alan L. Deino, Daniel M. Deocampo, Craig S. Feibel, John D. Kingston, Henry F. Lamb, and Jonathan G. Wynn