Cretaceous extinctions: Multiple causes

J. David Archibald, W. A. Clemens, Kevin Padian, Timothy Rowe, Norman Macleod, Paul M. Barrett, Andrew Gale, Pat Holroyd, Hans Dieter Sues, Nan Crystal Arens, John R. Horner, Gregory P. Wilson, Mark B. Goodwin, Christopher A. Brochu, Donald L. Lofgren, Stuart H. Hurlbert, Joseph H. Hartman, David A. Eberth, Paul B. Wignall, Philipj CurrieAnne Weil, Guntupalu V.R. Prasad, Lowell Dingus, Vincent Courtillot, Angela Milner, Andrew Milner, Sunil Bajpai, David J. Ward, Ashok SahniShow 9 othersShow less