eukaryotes see Domain Eukaryota Chatton, 1925
   "opisthokonts" see Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020]
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
       1 Cnidaria Hatschek, 1888 - cnidarians see Phylum Cnidaria Hatschek, 1888