| 
	| код УДК | описание | примечания |  
	    | 564.531 | Intrasiphonata. Clymeniidae |  |  
	    | 564.532 | Extrasiphonata |  |  
	    | 564.533.1 | Goniatitidae. Гониатиты |  |  
	    | 564.533.2 | Medlicottiidae |  |  
	    | 564.533.3 | Ceratitidae |  |  
	    | 564.533.4 | Ptychitidae |  |  
	    | 564.533.5 | Pinacoceratidae |  |  
	    | 564.533.6 | Tropitidae |  |  
	    | 564.533.7 | Cyclolobidae |  |  
	    | 564.533.8 | Arcestidae |  |  
	    | 564.533.9 | Cladiscitidae |  |  
	    | 564.534.1 | Phylloceratidae |  |  
	    | 564.534.2 | Lytoceratidae |  |  
	    | 564.534.3 | Aegoceratidae |  |  
	    | 564.534.4 | Amaltheidae |  |  
	    | 564.534.5 | Harpoceratidae |  |  
	    | 564.534.6 | Haploceratidae |  |  
	    | 564.534.7 | Stephanoceratidae |  |  
	    | 564.534.8 | Aspidoceratidae |  |  
	    | 564.534.9 | Desmoceratidae |  |  
	    | 564.535.1 | Cosmoceratidae |  |  
	    | 564.535.2 | Engenoceratidae |  |  
	    | 564.535.3 | Pulchelidae |  |  
	    | 564.535.4 | Prionotropidae |  |  
	|  |  |