Crocodyliformes Clark 1988 [Sereno, Larsson, Sidor & Gado 2001]
Count: [†*] †7f;45g;21s
   Mesoeucrocodylia Whetstone & Whybrow 1983 [Sereno, Larsson, Sidor & Gado 2001]
  Count: [†*] †7f;45g;21s
     †Notosuchia Gasparini 1971 [Sereno, Larsson, Sidor & Gado 2001] see Order Notosuchia Dollo, 1914
    Count: [†*] †7f;45g;21s
       Family †Peirosauridae Gasparini, 1982
      Count: [†*] †5g;1s
         Genus †Peirosaurus Price, 1955
        Count: [†*] †1s
           1 †Peirosaurus torminni Price
          Count: -