Crocodylomorpha Walker 1968 [Clark 1988] see Subclass Crocodylomorpha Hay, 1930
   Crocodyliformes Clark 1988 [Sereno, Larsson, Sidor & Gado 2001]
     Mesoeucrocodylia Whetstone & Whybrow 1983 [Sereno, Larsson, Sidor & Gado 2001]
       Neosuchia Benton & Clark 1988 [Sereno, Larsson, Sidor & Gado 2001]
         Family †Goniopholididae Cope, 1875
           Genus †Siamosuchus Lauprasert, Cuny, Buffetaut, Suteethorn & Thirakhupt, 2007