Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
   Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
     1 Coelomopora Marcus, 1958 see Clade Ambulacraria Metschnikoff 1881 [Halanych 1995]
     2 Chordonia Haeckel, 1874 see Phylum Chordata Bateson, 1885