After Sereno, 1991, Parrish, 1992, Gower & Weber, 1998, Welman, 1998, Desojo, Ezcurra & Schultz, 2011, and Raugust, Lacerda & Schultz, 2013

<==o Archosauriformes Gauthier, 1986 (arkosaurimaiset matelijat; archosaur-like reptiles)
   |?- †Uatchitodon kroehleri Sues, 1991
   `==o †Proterosuchidae Broom, 1906 [non Huene, 1908?] [Proterosauridae; Proterosuchinae Huene, 1914; Chasmatosauridae Haughton, 1924; Chasmatosaurinae Haughton, 1924; Pelycosimiidae Abel, 1919] [paraphyletic? assemblage of basal archosauriforms?]
      |--o †Proterosuchus Broom, 1903 [Chasmatosaurus Haughton, 1924; Elaphrosuchus Broom, 1946] E.Trias. SAf.
      |  |-- †P. fergusi Broom, 1903 [Chasmatosaurus vanhoepeni Haughton, 1924, Elaphrosuchus rubidgei Broom, 1946; Chasmatosaurus sp. Broom, 1946; Proterosuchus vanhoepeni Cruickshank, 1972]
      |  `--+-- †P. alexandri (Hoffmann, 1965) Ezcurra & Butler, 2015 [Chasmatosaurus alexandri Hoffmann, 1965; Proterosuchus fergusi Welman, 1998]
      |     `--+-- †P. goweri Ezcurra & Butler, 2015
      |        `--+-- †“Chasmatosaurusyuani Young, 1936
      |           `?- †“Chasmatosaurusultimus Young, 1964
      `--+-- †Fugusuchus hejiapensis Cheng, 1980
         |-- †Sarmatosuchus otschevi Sennikov, 1994
         `--+-- †Osmolskina czatkowicensis Borsuk-Bialynicka & Evans, 2003
            `--+-- †Koilamasuchus gonzalezdiazi Ezcurra, Lecuona & Martinelli, 2010
               `--+?- †Asperoris mnyama Nesbitt, Butler & Gower, 2013
                  |--o †Erythrosuchidae Watson, 1917 sensu Parrish, 1992 [incl. Garjainiidae Ochev, 1958]
                  |  |-- †Guchengosuchus shiguaiensis Peng, 1991; E.-M.Trias. EAs.
                  |  `--+--o †Garjainia Ochev, 1958; E. Trias. EEu. SAf.
                  |     |  |-- †G prima Ochev, 1958 [incl. Vjushkovia triplocostata Huene, 1960; Gower & Sennikov, 2000]
                  |     |  `-- †G. madiba Gower, Hancox, Botha-Brink, Sennikov & Butler, 2014
                  |     `--+-- †Erythrosuchus africanus Broom, 1905; E. Trias. EEu. SAf.
                  |        `--+-- †Shanshisuchus shansisuchus Young, 1964 [incl. Shanshisuchus heiyuekouensis Young, 1964] E. Trias. EAs.
                  |           `--o †Vjushkovia Huene, 1960 [Youngosuchus Sennikov, in Kalandadze & Sennikov, 1985; Garjainia Ochev, 1958 sensu Gower & Sennikov, 2000]
                  |              |-- †V. triplocostata Huene, 1960
                  |              `-- †V. sinensis Young, 1973 [Youngosuchus sinensis (Young, 1973) Sennikov, in Kalandadze & Sennikov, 1985]
                  `--+?- †Cuyosuchus huenei Reig, 1961
                     |?- †Heleosaurus scholtzi Broom, 1907 [†Heliosaurus Huene, 1956 (sic)] [Heleosauridae Haughton, 1924] [has been treated as Synapsida incertae sedis]
                     |-- †Vancleavea campi Long & Murry, 1995; L.Trias. SWNAm.
                     `--+--o †Euparkeriidae Huene, 1920
                        |  |?- †Dorosuchus neoetus Sennikov, 1989
                        |  |?- †Halazaisuchus qiaoensis Wu, 1982
                        |  |?- †Wangisuchus tzeyii Young, 1964
                        |  |?- †Yarasuchus deccanensis Sen, 2005
                        |  `-- †Euparkeria capensis Broom, 1913a
                        `--o Avesuchia Benton, 1999
                           |--o †Proterochampsia Bonaparte, 1971
                           |  |-- †Cerritosaurus binsfeldi Price, 1946
                           |  `==o Proterochampsidae Sill, 1967
                           |     |-- †Tropidosuchus romeri Arcucci, 1990
                           |     |--o †Proterochampsa Reig, 1959
                           |     |  |-- †P. barrionuevoi Reig, 1959
                           |     |  `-- †P. nodosa Barberena, 1982
                           |     `--o †Rhadinosuchidae Hoffstetter, 1955
                           |        |--o †Chanaresuchus Romer, 1971
                           |        |  |-- †C. bonapartei Romer, 1971
                           |        |  `-- †C. ischigualastensis Trotteyn, Martínez & Alcober, 2012 [Pseudochampsa ischigualastensis Ezcurra, 2016]
                           |        |-- †Gualosuchus reigi Romer, 1971
                           |        `-- †Rhadinosuchus gracilis Huene, 1942
                           `--+?-o †Doswelliidae Weems, 1980
                              |  |?- †Jaxtasuchus salomoni Schoch & Sues, 2013
                              |  |-- †Tarjadia ruthae Arcucci & Marsicano, 1998
                              |  `--+-- †Archaeopelta arborensis Desojo, Ezcurra & Schultz, 2011
                              |     `-- †Doswellia kaltenbachi Weems, 1980
                              `--+?- †Yonghesuchus sangbiensis Wu, Liu & Li, 2001 [treated as gracilisuchid by Butler et al., 2014]
                                 `-- Archosauria Cope, 1869 sensu Gauthier, 1986 (arkosaurit; archosaurs)

Archosauriformes incertaes sedis:

“Proterosuchidae”Archosaurus rossicus Tatarinov, 1960; L.Perm. EEu.
        †Blomia georgii Sennikov, 1992
        †Chasmatosuchus rossicus Huene, 1940
        †“Chasmatosuchus” vjushkovi Ochev, 1961
        †“Chasmatosuchus” magnus Ochev, 1979 [“Jaikosuchus” magnus (Ochev, 1979); Gamosaurus lozovskii Ochev, 1979)
        †Eorasaurus olsoni Sennikov, 1997; L.Perm. EEu.
        †Exilisuchus tubercularis Ochev, 1979
        †Gamosaurus lozovskii Ochev, 1979
        †Kalisuchus rewanensis Thulborn, 1979
        †Tasmaniosaurus triassicus Camp & Banks, 1978
        †Vonhuenia friedrichi Sennikov, 1992

    †“Erythrosuchidae”Arizonasaurus babbitti [close to Shanshisuchus (Parrish, 1992)??]
        †Chalishevia cothurnata Ochev, 1980
        †Dongusia colorata Huene, 1940 [nomen dubium (Ezcurra, 2016)]
        †Uralosaurus magnus (Ochev, 1980) [Erythrosuchus magnus Ochev, 1980, Uralosaurus Sennikov, 1995]
        †Shansisuchus kuyeheensis Cheng, 1980


After Ezcurra, 2016

<==o Archosauriformes
   |-- †Proterosuchus
   `--+-- †Fugusuchus  
      `--+-- †Sarmatosuchus
         `--+-- †Cuyosuchus
            `--+--o †Erythrosuchidae
               |  |-- †Guchengosuchus
               |  `--+--o †Garjainia
               |     |  |-- GHG7433MI
               |     |  |-- †G prima
               |     |  `-- †G. madiba
               |     `--+-- †Erythrosuchus
               |        `--+-- †Shanshisuchus
               |           `-- †Chalishevia
               `--o Eucrocopoda
                  |-- †Dorosuchus
                  `--+-- †Euparkeria
                     |--+-- Dongusuchus
                     |  `-- Yarasuchus
                     `--+--o †Proterochampsia
                        |  |--o †Doswelliidae
                        |  |  |-- †Vancleavea
                        |  |  `--+--+-- †Tarjadia
                        |  |     |  `-- †Archaeopelta
                        |  |     `--+-- †Doswellia
                        |  |        `-- †Jaxtasuchus
                        |  `--o Proterochampsidae
                        |     |-- †Proterochampsa
                        |     `--+-- †Cerritosaurus
                        |        `--+-- †Tropidosuchus
                        |           `--+-- †Pseudochampsa
                        |              `--o †Rhadinosuchinae
                        |                 |-- †Gualosuchus
                        |                 `--+-- †Chanaresuchus
                        |                    `-- †Rhadinosuchus
                        `-- Archosauria

References:

  • Ezcurra, M. D., 2016: The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms.
    –PeerJ: Vol. 4, pp. e1778 (1-385) [doi: 10.7717/peerj.1778]

After Desojo, Ezcurra & Schultz, 2011

<==o Archosauriformes
   |-- †Proterosuchus
   `--+-- †Vancleavea
      `--+-- †Erythrosuchus
         `--+-- †Euparkeria
            `--+-- †Chanaresuchus
               `--+-- †Tropidosuchus
                  |--o †Doswelliidae
                  |  |-- †Tarjadia
                  |  `--+-- †Doswellia
                  |     `-- †Archaeopelta
                  `--+-- †Yonghesuchus
                     `-- Archosauria

Reference(s):

  • Desojo, J. B., Ezcurra, M. D. & Schultz, C. L., 2011: An unusual new archosauriform from the Middle–Late Triassic of southern Brazil and the monophyly of Doswelliidae.
    –Zoological Journal of the Linnean Society: Vol. 161, #4, pp. 839-871 [doi: 10.1111/j.1096-3642.2010.00655.x]

After Nesbitt, Stocker, Small & Downs, 2009

<==o Archosauriformes
   |-- †Proterosuchidae
   `--+-- †Erythrosuchidae
      `--+-- †Vancleavea campi Long & Murry, 1995; L.Trias. SWNAm.
         `--+--o †Proterochampsidae
            |  |-- †Tropidosuchus
            |  `-- †Chanaresuchus
            `--+--o †Euparkeriidae
               |  `-- †Euparkeria
               `-- Archosauria

Reference(s):

  • Nesbitt, S. J., Stocker, M. R., Small, B. J. & Downs, A., 2009: The osteology and relationships of Vancleavea campi (Reptilia: Archosauriformes).
    –Zoological Journal of the Linnean Society: Vol. 157, #4, pp. 814-864 [doi: 10.1111/j.1096-3642.2009.00530.x]

Reference(s):