unimembrana
   eukaryotes see Domain Eukaryota Chatton, 1925
     metakaryotes
       neokaryotes Cavalier-Smith, 1993 - mitochondrial eukaryotes
         1.n1 opisthokonta Cavalier-Smith 1987, nom. cl. inval. see Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020]