Macrofossil evidence for a rapid and severe Cretaceous–Paleogene mass extinction in AntarcticaOPEN ACCESS
James D. Witts, Rowan J. Whittle, Paul B. Wignall, J. Alistair Crame, Jane E. Francis, Robert J. Newton, Vanessa C. Bowman Nature Communications 7, Article number:11738 doi:10.1038/ncomms11738 Published 26 May 2016 LINK (OPEN ACCESS) “Debate…