Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Bacillariobiota Doweld (2001)
       Subkingdom Acanthocystobiotina Doweld, 2001
         Phylum Acanthometrozoa Doweld, 2001 [monotypic]
           Class Acanthometratea Doweld, 2001
             Order Actineliida Doweld, 2001 [monotypic]
               Family Actineliidae Doweld, 2001 [monotypic]
                 Genus Actinelius Haeckel, 1865