Class Reptilia Linnaeus, 1758 - reptiles
   Subclass Lepidosauria Duméril & Bibron, 1839
     Order †Eosuchia Broom, 1914 see Clade Eosuchia Broom 1914 [Laurin 1991]
       1 Suborder †Millerosaurida see Order Millerosauria Watson, 1957
       2 Suborder †Bolosaurida Ivakhnenko, 2008 [monotypic] see Order Bolosauria Kuhn, 1959
       3 Suborder †Protorosaurida
       4 Suborder †Champsosaurida
       5 Suborder †Eosuchida