"Surely not, he must be sorely mistaken!" I hear you ask! That the ammonites died out 65 million years ago at the end of the Maastrichtian of the Cretaceous has never seriously been questioned. Now it appears that a few species Hoploscaphites actually soldiered on and survived into the Danian of the Paleocene in central Europe. A new paper reveals in detail this astounding discovery: http://app.pan.pl/acta50/app50-653.pdf The paper is exceptionally detailed; if it appears too much in one go, try tackling just the Abstract and Summary.