Class [Mammalia] Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Suborder Prosimii Illiger, 1811 see Infraorder Strepsirrhini "Geoffroy Saint-Hilaire, 1812"
       Infraorder Lemuriformes Gregory, 1915
         Superfamily †Adapoidea Trouessart, 1879 see Infraorder Adapiformes Hoffstetter, 1977
           Family †Sivaladapidae Thomas & Verma, 1979
             Subfamily †Sivaladapinae Thomas & Verma, 1979
               1 Genus †Hoanghonius Zdansky, 1930
               2 Genus †Indraloris Lewis, 1933
               3 Genus †Rencunius Gingerich, Holroyd & Ciochon, 1994
               4 Genus †Sinoadapis Wu & Pan, 1985
               5 Genus †Sivaladapis Gingerich & Sahni, 1979
               6 Genus †Wailekia Ducrocq, Jaeger, Chaimanee & Suteethorn, 1995