CLASSIFICATION OF VERTEBRATA 



Order Lepospondyli 

 „ Stereospondyli 



PROTOROSAURI * 

 RHYNCHOCEPHALI *- 



III. Sub-CLASS THEROMOEPHA v 



Order Anomodontia 

 „ Theriodontia . 

 „ Pareiosauria ^ 

 Placodontia 



IV. Sub-CLASS CROCODILIA * 



Order Pseudosuchia " < 

 Parasuchia ' 

 „ Eusuchia l 



V. Sub-CLASS CHELONIA^ 



Order Thecophora 



CRYPTODIRA ' 

 PLEURODIRA * 

 TRIONYCHOIDEA u 



Order Atheca 

 VI. Sub-CLASS DINOSAURIA " 



Order Sauropoda ■" 

 „ Theropoda v 

 „ Orthopoda w 



STEGOSAURI ' 

 ORNITHOPODA ' 



Order Ceratopsia*' 

 VII. Sub-CLASS PTEROSAURIA^ 

 PTERODACTYLI 

 PTERANODONTES 



VIII. Sub-CLASS PLESIOSAURIA ^ 



