After Yates & Warren, 2000

<==o †Limnarchia Yates & Warren, 2000
   |-- †Dvinosauria Yates & Warren, 2000
   `--o †Stereospondylomorpha Yates & Warren, 2000
      |-- †Stereospondyli Fraas, 1889 sensu Yates & Warren, 2000
      `--o †Archegosauroidea (Meyer, 1857) Lydekker, 1885
         |?- †Intasuchus silvicola Konzhukova, 1956 [Intasuchidae Konzhukova, 1956]
         |--o †Actinodontidae Lydekker, 1885 [Sclerocephaliae Jaekel, 1909]
         |  |--o †Cheliderpeton Fritsch, 1877 [taxonomic history]
         |  |  |-- †C. vranyi Fritsch, 1877 [taxonomic history]
         |  |  |-- †C. latirostris (Jordan, 1849) Boy, 1993 [taxonomic history]
         |  |  `-- †C. sp.
         |  |-- †Syndyodosuchus tetricus Konjukova, 1953
         |  `--o †Sclerocephalus Goldfuss, 1847 [taxonomic history]
         |     |--o †S. haeuseri Goldfuss, 1847 [taxonomic history]
         |     |  |-- †S. h. haeuseri Goldfuss, 1847
         |     |  `-- †S. h. jeckenbachensis Boy, 1988
         |     |?- †S. frossardi (Gaudry, 1866) Schoch & Milner, 2000 [taxonomic history]
         |     |-- †S. bavaricus (Branco, 1896) Ammon, 1889 [taxonomic history]
         |     |?- †S. credneri Fritsch, 1901 [taxonomic history]
         |     |-- †“S. jogischneideri” Werneburg, 1992
         |     |-- †S. nobilis (Krätschmer & Resch, 2005
         |     |-- †S. stambergi Klembara & Steyer, 2012
         |     `-- †S. sp.
         `--o †Archegosauridae Meyer, 1857
            |--o †Konzhukovia Gubin, 1991
            |  |-- †K. vetusta (Konzhukova, 1955)
            |  `-- †K. tarda Gubin, 1991
            `--+--o †Archegosaurus Goldfuss, 1847
               |  |-- †A. decheni Goldfuss, 1847
               |  `-- †A. dyscriton (Steen, 1938) [Memonomenos dyscriton]
               |?- †Bashkirosaurus tcherdyncevi Gubin, 1981
               |?- †Collidosuchus tchudinovi Gubin, 1986
               |--o †Platyoposaurus Lydekker, 1889
               |  |-- †P. rickardi (Twelvetrees, 1880)
               |  |-- †P. stuckenburgi (Trautschold, 1884)
               |  `-- †P. watsoni (Efremov, 1993)
               |?- †Prionosuchus plummeri Price, 1948 [=? Platyoposaurus (Cox & Hutchinson, 1991)]
               `?- †Tryphosuchus paucidens Konzhukova, 1955

Alternative phylogeny of Archegosauroidea after Klembara & Steyer, 2012

<==o †Archegosauroidea
   `==o †Sclerocephalidae
      `==o †Sclerocephalus
         |--+-- †S. bavaricus
         |  `--+-- †S. haeuseri
         |     `--+-- †“S. jogischneideri”
         |        `-- †S. nobilis
         `--+-- †Sclerocephalus stambergi
            `--+-- †Cheliderpeton latirostris
               `-- †Archegosaurus decheni

Reference(s):