Suborder Mugiloidea 



Suborder Polynemoidea 



Suborder Ammodytoidea 



Suborder Echeneoidea 



Suborder Xenopterygii Gill 1894 



Suborder Allotriognathi Regan 1907 



Suborder Opisthomi Cope 1870 



Suborder Synbranchii 

 Subclass Amphibioidei Hubbs 1911 

 Order Crossopterygii Huxley 1861 (Ganoids) 



Suborder *Rhipidistia Cope 1887 



Suborder Coelacanthini Agassiz 1843 

 Order Dipnoi J. Miiller 1846 

 Superclass Tetrapoda Williston 

 Class Amphibia Linnaeus 1858 



Superorder *Labyrinthodontia Huxley 1871 

 Order *Ichthyostegalia Save-Soderberg 1832 

 Order *Rhachitomia Cope 1880 



Suborder *Lexommoidea 



Suborder *Edopsoidea 



Suborder *Eryopsoidea 



Suborder *Neorhachitomi 

 Order *Stereospondyli Fraas 1889 

 Order ^Embolomeri Cope 1880 

 Order *Seymouriamorpha 

 Superorder Salientia Laurenti 1768 

 Order *Eoanura 

 Order *Proanura 

 Order Anura 



Suborder Amphicoela Nobel 1931 



Suborder Opisthocoela Nicholls 1916 



Suborder Anomocoela Nicholls 1916 



Suborder Procela Nicholls 1916 



Suborder Diplasiocoela Nicholls 1916 

 Subclass *Lepospondyli Zittel 1887 

 Order *Aistopoda Miall 1890 

 Order *Nectridia Miall 1890 

 Order *Microsauria 

 Order Urodela (Caudata Oppel 1811) 



Suborder Cryptobranchoidea Dana 1922 



Suborder Amblystomoidea Noble 1931 



Suborder Salamandriodea Cope 1890 



Suborder Proteidea Cope 1866 

 Order Apoda Oppel 1911 

 Class Reptilia Laurenti 1768 

 Subclass Anapsida Osborn 1918 

 Order *Cotylosauria Cope 1880 



Suborder *Captorhinomorpha Watson 1917 



Suborder *Diadectomorpha Case 1911 

 Order Chelonia Owen 1842 (Testudinata Oppel 1811) 



Suborder *Eunotosauria Watson 1914 



Suborder *Amphichelydia Lydekker 1889 



Suborder Plcurodira Cope 1869 



[20] 



