The study of claims of Cephalopod evolution reveals many fossil-gaps; but the outstanding result is the discrediting of the Biogenic Law and the discovery of the large degree of similarity in forms considered to be unrelated by evolution. Much of the stratigraphic order (genetric; specific) ascribed to ammonoids is actually due to time-stratigraphic concepts and to taxonomic manipulations. Indeed, "condensed" sequences demonstrate rather mixing with cataclysmic burial. The known ecological positions of cephalopods independently fit together into a mutually contemporaneous ecologically zones coexistence. The actual stratigraphic order (ordinal; familial) owes its existence to the burial of these ecological zones in the Flood, while physical sorting during burial gave rise to interfamilial stratigraphic order.