Domain Eucaryota
   Subdomain Amoebota Doweld (2001)
     Kingdom Amoebobiota Doweld, 2001
       Subkingdom Coelodendrobiotina Doweld, 2001
         Phylum Coelodendrozoa Doweld, 2001
           Class Coelodendratea Doweld, 2001
             Order Circoporida Doweld, 2001
               Family Circoporidae Haeckel, 1887
                 1 Genus Circoporus Haeckel, 1879