Late Cretaceous ammonites from Tunisia : chronology and causes of their extinction and extrapolation to other areas

von Goolaerts, Stijn Augustinus Elias
Veröffentlicht 2010

Ammonites on the Brink of Extinction : Diversity, Abundance, and Ecology of the Order Ammonoidea at the Cretaceous/Paleogene (K/Pg) Boundary

von Landman, Neil H.
Veröffentlicht in Ammonoid paleobiology ; [2]: From macroevolution to paleogeography (2015)