Domain Eucaryota
   Subdomain Amoebota Doweld (2001)
     Kingdom Spongiobiota Doweld, 2001 [monotypic]
       Subkingdom Spongiobiotina Doweld, 2001 [monotypic]
         Phylum Spongiozoa Doweld, 2001
           Subphylum Archaeocyathozoina Doweld, 2001