Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Euglenobiota Leedale ex Doweld (2001) Subkingdom Euglenobiotina Dillon ex Doweld (2001) Phylum Spironematellozoa Doweld, 2001 [monotypic] 1 Class Spironematellatea Doweld, 2001 [monotypic]