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
                 Genus Circoporus Haeckel, 1879