Kingdom Animalia Linnaeus, 1758 - animals
   Phylum †Hyolitha (Marek, 1963) see Class Hyolitha Marek, 1963
     Order †Hyolithida Matthew, 1899
       Genus †Dilytes Marek, 1974
       Genus †Elegantilites Marek, 1966
       Genus †Eumorpholites Marek, 1967
       Genus †Gompholites Marek, 1966
       Genus †Hyolithes Eichwald, 1840
       Genus †Joachimilites Marek, 1967
       Genus †Maxilites Marek, 1972
       Genus †Nevadalites Marek, 1976