Order Primates Linnaeus, 1758 - primates
Count: [*†*] 14f;77g; ‡1f;10g; †23f;252g
   Semiorder Strepsirrhini see Suborder Strepsirrhini Geoffroy Saint-Hilaire, 1812
  Count: [*†*] 7f;24g; ‡1f;8g; †9f;64g [31 May 2022]
     Suborder †Adapiformes Hoffstetter, 1977 [monotypic] see Infraorder Adapiformes Hoffstetter, 1977
    Count: [†*] †6f;48g [31 May 2022]
       Superfamily †Adapoidea Trouessart, 1879 see Infraorder Adapiformes Hoffstetter, 1977
      Count: [†*] †6f;48g [30 May 2022]
         Family †Sivaladapidae Thomas & Verma, 1979
        Count: [†*] †11g [30 May 2022]
           Subfamily †Hoanghoniinae Gingerich et al., 1994
          Count: [†*] †4g [30 May 2022]
             Genus †Hoanghonius Zdansky, 1930
            Count: -