After Carroll, 1988, and Maxwell, Furrer & Sánchez-Villagra, 2013, with species from the “Paleobiology database”

<==o †SaurichthyiformesAldinger, 1937
   `--o †Saurichthyidae Stensiö, 1925
      |-- †Brevisaurichthys osseus Beltan, 1972; M.Trias. Eu. [=? Saurichthys]
      |-- †Systolichthys catalaunicus Beltan, 1972; M.Trias. Eu.
      `==o †Saurichthys Agassiz, 1834 [Acidorhynchus Stensiö, 1925; Ichthyorhynchus Bellotti, 1857; Belonorhynchus Bronn, 1858;, Giffonus Costa, 1862; Gymnosaurichthys Berg, 1940; Brevisaurichthys Beltan, 1972; Systolichthys Beltan, 1972] E.Trias. EEu. NA. NNA. Spits. Mad. Gr. SAf. SAs. EAs. E.-M. Trias. Aus. E.-L.Trias. Eu. L.Trias. CAs.
         |?- †S. aculeatus Henry, 1876
         |?- †S. apicalis Agassiz, 1834 [type?]
         |?- †S. costatus Münster, 1839
         |?- †S. dayi Raymond 1925 [Belonorhynchus dayi]
         |?- †S. elongatus Stensiö, 1925
         |?- †S. gigas Woodward, 1890
         |?- †S. hamiltoni Stensiö, 1925
         |?- †S. indicus de Koninck, 1863
         |?- †S. longidens Agassiz, 1844
         |?- †S. obrutchevi
         |?- †S. proximus
         |?- †S. semicostatus Münster, 1839
         |?- †S. striatulus Henry, 1876
         |?- †S. subulatus Henry, 1876
         |?- †S. tenuirostris Münster, 1839
         |?- †S. toxolepis  Mutter et al., 2008
         |?- †S. wimani Woodward, 1912 [Belonorhynchus wimani]
         |-- †Saurichthys orientalis
         `--+--+--o †Eosaurichthys Liu & Wei, 1988; L.Perm. EAs. Mad.
            |  |  |-- †E. chaoi Liu " Wei, 1988
            |  |  `-- †E. madagascariensis (Piveteau, 1945) [Saurichthys madagascariensis Piveteau, 1945]
            |  `--+-- †Saurichthys ornatus Stensiö, 1925
            |     `-- †Saurichthys dawaziensis Wu, Sun, Hao, Jiang, Xu, Sun & Tintori, 2009
            `--+--o †Sinosaurichthys Wu, Sun, Xu, Hao, Jiang & Sun, 2011; M.Trias. EAs.
               |  |-- †S. longipectoralis Wu, Sun, Xu, Hao, Jiang & Sun, 2011
               |  `--+-- †S. longimedialis Wu, Sun, Xu, Hao, Jiang & Sun, 2011
               |     `-- †S. minuta Wu, Sun, Xu, Hao, Jiang & Sun, 2011
               `--+--+-- †Saurichthys costasquamosus Rieppel, 1985
                  |  `-- †Saurichthys paucitrichus
                  `--+-- †Saurichthys macrocephalus
                     `--+-- †Saurichthys curionii (Bellotti, 1857) [Belonorhynchus curionii]
                        `--+-- †Saurorhynchus brevirostris Reis, 1892 [Saurichthys brevirostris] E.Jur. Eu.
                           `--+-- †Saurichthys krambergeri Schlosser, 1918
                              `--+-- †Saurichthys calcaratus Griffith, 1977
                                 `-- †Saurichthys striolatus

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