Phylum Chordata Bateson, 1885 - chordates
   Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
     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
             Family †Dolichochampsidae Gasparini & Buffetaut, 1980
             Family †Hylaeochampsidae Owen, 1875
             Family †Mekosuchidae Balouet & Buffetaut, 1987 see Subfamily Mekosuchinae Balouet & Buffetaut, 1987
             Family †Stomatosuchidae Stromer, 1925