Domain Eucaryota
   Subdomain Amoebota Doweld (2001)
     Kingdom Amoebobiota Doweld, 2001
       Subkingdom Coelodendrobiotina Doweld, 2001
         Phylum Coelodendrozoa Doweld, 2001
           Class Cyrtocalpatea Doweld, 2001
             Order Cyrtocalpida Doweld, 2001
               1 Family Cyrtocalpidae Haeckel, 1887