Class Mammalia Linnaeus, 1758 - mammals
   "Eupantotheria" Kermack & Mussett, 1958, incertae sedis [paraphyletic]
     Superorder †Dryolestoidea Butler, 1939
       Order †Dryolestida Prothero, 1981
         Family †Brandoniidae Bonaparte, 1992
           ?Genus †Casamiquelia Bonaparte, 1990 [monotypic] see Genus Leonardus Bonaparte, 1990
             ?†Casamiquelia rionegrina Bonaparte, 1990 see Leonardus cuspidatus Bonaparte, 1990