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 1 Family Circoporidae Haeckel, 1887