Crocodyliformes Clark 1988 [Sereno, Larsson, Sidor & Gado 2001]
   Mesoeucrocodylia Whetstone & Whybrow 1983 [Sereno, Larsson, Sidor & Gado 2001]
     †Notosuchia Gasparini 1971 [Sereno, Larsson, Sidor & Gado 2001] see Order Notosuchia Dollo, 1914
       †Ziphosuchia Ortega, Gasparini, Buscalioni & Calvo, 2000
         Genus †Simosuchus Buckley, Brochu, Krause & Pol, 2000