Suborder Rhaetogonyaulacineae diagnosis
|Citation: Rhaetogonyaulacineae Norris 1978a.|
Diagnosis:Gonyaulacaleans in which there are at least three fundital plates, of which the dorsalmost does not contact the distalmost postcingular plate. There are more than five climactal plates. Secondary plate overgrowth may occur on all plate margins except those adjacent to the cingulum.