CLASSIFICATION OF VERTEBRATA 



Order Lepospondyli 

 Stereospondyli 



PEOTOEOSAUEI 

 RHYNCHOCEPHALI 



III. Sub-CLASS THEKOMOEPHA 



Order Anomodontia 

 Theriodontia 

 Pareiosauria 

 Placodontia 



IV. Sub-CLASS CEOCODILIA 



Order Pseudosuchia 

 Parasuchia 

 Eusuchia 



V. Sub-CLASS CHELONIA 

 Order Thecophora 



CEYPTODIEA 

 PLEUEODIEA 

 TRIONYCHOIDEA 

 Order Atheca 



VI. Sub-CLASS DINOSAUEIA 



Order Sauropoda 



Theropoda 



Orthopoda 



STEGOSAUEI 

 OENITHOPODA 



Order Ceratopsia 

 VII. Sub-CLASS PTEEOSAUEIA 



PTEEODACTYLI 

 PTEEANODONTES 



VIII. Sub-CLASS PLESIOSAUEIA 



