formes, Uronemiformes, Ctenodontiformes, Ceratodontiformes, Lepidosireni- 

 formes, Rhynchodipteriformes, Monopneumona, Ctenodipterini, Ceratodonti, Si- 

 renoidei. 



^*^^ Includes: Pholidota, Monopnoa, Dipnoa, Nuda. Aspidospondyli ( Apsido- 

 spondyli, Batrachosauria) = labyrinthodontia + salientia. Euamphibia = sa- 



LIENTIA + LEPOSPONDYLI. 



^^^ Sometimes treated as the only superorder in subclass Aspidospondyli. In- 

 cludes: Temnospondyli, Anthracomorphoidea, Anthracosauroidea, Anthracosau- 

 ria, Phyllospondyli. Seymouriamorpha removed to Reptilia. 



^^^ Sometimes listed as a superorder of Aspidospondyli. 



^^ Includes: Amphicoela, Angusticoela, Opisthocoela, Anomocoela, Procoela, 

 Diplasiocoela. 



^'^^ Includes: Eunotosauria, Diadecta, Diadectomorpha, Procolophonia, Parei- 

 asauria. 



^^^ Includes: Weigeltisauria, Trachelosauria, Tanysitrachelia. 



^^^ Includes: Nothosauria, Placodontia, Plesiosauria. 



"* Lepidosauria (Archosauromorpha) = eosuchia + squamata -|- rhyncho- 

 cephalia. Archosauria = thecodontia + crocodilia + pterosauria -|- sauri- 

 SCHIA + ORNiTHiscHiA. Includes: Katapsida, Kathapsida, Neosauromorpha. Di- 

 nosauria (Ornithoscelida, Pachypodes) = saurischia + ornithischia. 



^^^ Includes: Thalattosauria, Pleurosauria, Acrosauria. 



^^° Sometimes placed in Archosauria. 



'^'^'^ Includes: Sauria, Lacertilia, Serpentes, Ophidia, Pythonomorpha, Mosa- 

 sauria, Rhiptoglossa, Streptostylica. 



^^^ Includes: Pseudosuchia, Phytosauria, Parasuchia. 



^^^ Includes: Protosuchia, Sebecosuchia, Mesosuchia, Thalattosuchia, Eusuchia. 



