Metazoa Haeckel 1874 - multicellular animals
see Kingdom Animalia Linnaeus, 1758
Bilateria Hatschek, 1888 - bilaterians
see Subkingdom Bilateria Hatschek, 1888
Eubilateria Ax, 1987
see Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
[Acoelomorpha Ehlers, 1985]
see Subphylum Acoelomorpha Ehlers, 1985