Opisthokonta Cavalier-Smith 1987, nom. cl. inval. see Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] Count: 30p;8f;2g Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758 Count: [p] 30p;8f;2g 1 Porifera Grant, 1836 - sponges Count: - 2 Epitheliozoa Ax, 1996 Count: [p] 29p;8f;2g