Opisthokonta Cavalier-Smith 1987, nom. cl. inval. see Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020]
   Mesomycetozoa Herr, Ajello, Taylor, Arseculeratne & Mendoza, 1999 see Subphylum Mesomycetozoa Herr, Ajello, Taylor, Arseculeratne & Mendoza, 1999