|Named By:||Hyatt in 1900|
|Location:||Worldwide distribution with fossil site locations including Antarctica - Lopez de Bertodano Formation, Santa Marta Formation. Australia - Korojon Calcarenite Formation, Miria Formatio. Belgium - Craie de Ciply Formation, Maastricht Formation. Chile - Quiriquina Formation, Rio Blanco Formation, Santa Ana Formation. Denmark - Danish White Chalk Formation. France - Craie de Valognes Formation, Les Vignes Formation. Greenland. Japan - Senpohshi Formation. Netherlands - Maastricht Formation. Russia. South Africa. Spain - Vallcarga Formation. Tunisia. USA, Alabama - Prairie Bluff Formation;, Alaska - Kaguyak Formation, Matanuska Formation; California - Moreno Formation; Mississippi - Prairie Bluff Formation; Texas - Corsicana Marl Formation, Escondido Formation|
|Size:||Large individuals had shells up to 2 meters across (4 meters or more when you account for the shell winding)|
|Fossil(s):||Well over a hundred specimens known from shells with varying degrees of preservation|
|Classification:||| Animalia | Mollusca | Cephalopoda ||
|Also known as:||| Eudiplomoceras ||
Diplomoceratidae is a family of ammonites included in the order Ammonitida. Fossils of species within this genus have been found in the Cretaceous sediments.(age range: from 99.7 to 66.043 million years ago).