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
           1 Suborder †Protosuchia Mook, 1934 see Order Protosuchia Brown, 1934
           2 Suborder †Archaeosuchia
           3 Suborder †Mesosuchia Huxley, 1875
           4 Suborder †Sebecosuchia (Colbert, 1946)
           5 Suborder Eusuchia Huxley, 1875 see Clade Eusuchia Huxley 1875 {Brochu 2003}