Phylum Chordata Bateson, 1885 - chordates
Count: -
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
  Count: -
     Class Reptilia Linnaeus, 1758 - reptiles
    Count: [*] 4o42f; †13o36f
       Subclass Archosauria Cope, 1869 see Division Archosauria Cope, 1869
      Count: [*] 1o1f; †4o4f
         Order Crocodylia Wagler, 1830 - crocodiles
        Count: -
           1 Suborder †Protosuchia Mook, 1934 see Order Protosuchia Brown, 1934
          Count: -
           2 Suborder †Archaeosuchia
          Count: -
           3 Suborder †Mesosuchia Huxley, 1875
          Count: -
           4 Suborder †Sebecosuchia (Colbert, 1946)
          Count: -
           5 Suborder Eusuchia Huxley, 1875 see Clade Eusuchia Huxley 1875 {Brochu 2003}
          Count: -