Infraphylum Tetrapoda Goodrich, 1930 see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
   Superclass Amniota Haeckel, 1866 see Clade Amniota Haeckel 1866 [Laurin & Reisz 2020]
     Paraclass Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
       Parasubclass Diapsida Osborn, 1903 [paraphyletic] - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
         Parainfraclass Archosauria Cope, 1869 [paraphyletic] see Clade Archosauria Cope 1869 [Gauthier & Padian 2020]
           Parasuperorder †Theropodomorpha Olshevsky, 1991 [paraphyletic]
             Order †Lagosuchia Paul, 1988
               Family †Lagosuchidae Bonaparte, 1975
                 1 Genus †Lagosuchus Romer, 1971
                 2 Genus †Pseudolagosuchus Arcucci, 1987 see Genus Lewisuchus Romer, 1972