Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
         Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
           Class Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
             Subclass Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
               Infraclass Archosauromorpha Huene, 1946 see Clade Archosauromorpha Huene 1946 [Benton 1985], nom. cl. inval.
                 Superorder Archosauria Cope, 1869 - archosaurs see Clade Archosauria Cope 1869 [Gauthier & Padian 1985], nom. cl. inval.
                   Order Crocodylia Wagler, 1830 - crocodiles
                     Suborder Eosuchia Carroll, 1988, orth. inval. see Suborder Eusuchia Huxley, 1875
                       Family Gavialidae Adams, 1854
                         1 Genus †Eogavialis Buffetaut, 1982
                         2 Genus Gavialis Oppel, 1811
                         3 Genus †Gavialosuchus Toula & Kail, 1885
                         4 Genus †Gryposuchus Gürich, 1912
                         5 Genus †Ikanogavialis Sill, 1970
                         6 Genus †Hesperogavialis Bocquentin-Villanueva & Buffetaut, 1981
                         7 Genus †Rhamphosuchus Lydekker, 1886