Domain Eucaryota Subdomain Amoebota Doweld (2001) Kingdom Spongiobiota Doweld, 2001 [monotypic] Subkingdom Spongiobiotina Doweld, 2001 [monotypic] Phylum Spongiozoa Doweld, 2001 Subphylum Sycettozoina Doweld, 2001 [monotypic] 1 Class Sycettatea Doweld, 2001