Superfamily Scarabaeoidea Latreille, 1802
   Family Passalidae Leach, 1815
     Subfamily Passalinae Leach, 1815a
       Tribe Phoroneini Kaup, 1871, nom. inval. see Tribe Passalini Leach, 1815a
         1 Genus Macrolobus Zang, 1905
         1.0 Genus Phoroneus Kaup, 1869, nom. illeg. see Genus Macrolobus Zang, 1905