After Holmes, Carroll & Reisz, 1998 and Milner, 1994

<==o “Eryopida”
   |?-o †Branchiosauridae [“Eryopida” incertae sedis]
   |  |?- †Tungussogyrinus bergi Efremov, 1939
   |  |?-o †Melanerpeton [3 sp.]
   |  |  |-- &38224;M. sp.1
   |  |  |-- †M. sp.2
   |  |  `-- †M. humbergense
   |  |--o †Branchiosaurus [2 sp.]
   |  |  |-- †B. sp.
   |  |  `-- †B. salamandroides
   |  `--+-- †Schoenfelderpeton sp. [1 sp.]
   |     `--o †Apateon Meyer [8 sp.]
   |        |-- †A. sp.1
   |        |-- †A. sp.2
   |        |-- †A. sp.3
   |        |-- †A. pedestris
   |        |-- †A. caducus (Ammon, 1889)
   |        |-- †A. gracilis
   |        |-- †A. dracyi
   |        `-- †A. flagrifer
   |-- †Eryopoidea
   |--o †Archegosauroidea
   |  |-- †Actinodon [Actinodontidae]
   |  `--+-- †Intasuchus [Intasuchidae]
   |     `--o †Archegosauridae
   |        |-- †Archegosaurus
   |        |-- †Bashkirosaurus
   |        |-- †Platyoposaurus
   |        `-- †Prionosuchus 
   `?-+-- †Plagiosauroidea
      `-- Dissorophoidea

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