living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Reptilia Linnaeus, 1758 - reptiles
               Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869
                 Order Crocodylia Wagler, 1830 - crocodiles
                   Suborder Eusuchia Huxley, 1875 see Clade Eusuchia Huxley 1875 {Brochu 2003}
                     Family Crocodylidae Cuvier, 1807 - crocodiles and relatives
                       Subfamily Alligatorinae Cuvier, 1807
                         1 Genus Alligator Cuvier, 1817
                         2 Genus Caiman Spix, 1825
                         3 Genus Melanosuchus Gray, 1862
                         4 Genus Paleosuchus Gray, 1862