Class Mammalia Linnaeus, 1758 - mammals
   †"Symmetrodontans" Simpson, 1925, incertae sedis see Infraclass Symmetrodonta Simpson, 1925
     Family †Woutersiidae Sigogneau-Russell & Hahn, 1995 [monotypic]
       Genus †Woutersia Sigogneau-Russell, 1983
         1 †Woutersia mirabilisᵀ Sigogneau-Russell, 1983
         2 †Woutersia butleri Sigogneau-Russell & Hahn, 1995