1. A New Period for the Geologic Time Scale Knoll, Andrew H.; Walter, Malcolm R.; Narbonne, Guy M.; Christie-Blick, Nicholas 2004 Articles GeologyHistoryPaleontology
2. Terminology of Geological Time: Establishment of a Community Standard Aubry, Marie-Pierre; Van Couvering, John A.; Christie-Blick, Nicholas; Landing, Ed; Pratt, Brian R.; Owen, Donald E.; Ferrusquía-Villafranca, Ismael 2009 Articles GeologyHistoryPaleontology
3. The Ediacaran Period: A New Addition to the Geologic Time Scale Knoll, Andrew H.; Walter, Malcolm R.; Narbonne, Guy M.; Christie-Blick, Nicholas 2006 Articles GeologyHistory
4. Three "First Places" for Ediacaran Period Knoll, Andrew H.; Walter, Malcolm R.; Narbonne, Guy M.; Christie-Blick, Nicholas 2004 Articles GeologyPaleontologyHistory