Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Peridiniobiota Starobogatov ex Doweld (2001) Subkingdom Peridiniobiotina Doweld (2001) Phylum Paramyxozoa Desportes & Perkins, 1990 [monotypic] 1 Class Paramyxatea Levine, 1979