Actinoptychus Ehrenberg 



Asterolampra Ehrenberg 



Pyrgodiscus Kitton 

 Aulacodiscus Ehrenberg 

 Eupodiscus Ehrenberg 



Aulisciis Ehrenberg 



Biddulphia Gray 

 Cerataulus Ehrenberg 



Triceratium Ehrenberg 

 Trigonhim Cleve 

 Ditylum Bailey 



Hemiaulus Ehrenberg 



Eucampia Ehrenberg 

 Climacodium Grunow 



CLASSIFICATION 

 Subfamily ACTINOPTYCHOIDEAE 



Subfamily ASTEROLAMPROIDEAE 



Asteromphalus Ehrenberg 



Suborder AULACODISCINEAE 



Family EUPODISCACEAE 

 Subfamily PYRGODISCOIDEAE 



Subfamily AULACODISCOIDEAE 



Subfamily EUPODISCOIDEAE 



Suborder AULISCINEAE 



Family AULISCACEAE 

 Subfamily AULISCOIDEAE 



Suborder BIDDULPHINEAE 



Family BIDDULPHIACEAE 



Subfamily BIDDULPHIOIDEAE 



Cerataulina H. Peragallo ex Schiitt 

 Bellerochea Van Heurck 



Subfamily TRICERATIOIDEAE 



Pseudo-triceratium Grunow 

 Lithodesmiuin Ehrenberg 



Subfamily HEMIAULOIDEAE 



Subfamily EUCAMPIOIDEAE 



Streptotheca Shrubsole 



Family ANAULACEAE 

 Subfamily ANAULOIDEAE 



203 



Anaulus Ehrenberg 



