CLASSIFICATION. 



Order Stegocephalia. 

 Suborder Microsauria.^ 

 Family Diplocaulidcs. 

 Diplocaulus. 

 Suborder Temnospondyli. 

 Rhachitomus division. 

 Family Eryopida. 

 Eryops. 

 Parioxys. 

 Anisodexis {?). 

 Acheloma. 

 Family Trimerorhachidce. 

 T rimer orhachis . 

 Tersomius. 

 Zatrachys. 

 Family Dissorhophidce. 

 Dissorhophus. 

 Cacops. 



Alegeinosaurus. 

 Family Aspidosauridce. 



Aspidosaiirus. 

 Family Trematosauridce. 

 Trematosaurus. 

 Embolomerus division. 

 Family CricotidcB. 

 Cricotus. 

 Cricotillus. 

 Incertce sedts. 



Family Crossotelidce. 

 Crossotelos. 

 Family Gymnarthridce. 



Cardiocephalus. 

 Gymnarthrus . 



Family 



Pleuristion. 



Order Urodela. 



Family Lysorophida. 

 Lysorophus. 



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