Class [Mammalia] Linnaeus, 1758 - mammals
Count: -
   Family †Purgatoriidae Van Valen & Sloan, 1965
  Count: [†*] †1g;3s
     Genus †Purgatorius Van Valen & Sloan, 1965
    Count: [†*] †3s
       1 †Purgatorius unio Van Valen & Sloan, 1965
      Count: -
       2 †Purgatorius titusi Buckley, 1997
      Count: -
       3 †Purgatorius janisae Van Valen, 1994
      Count: -