Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Peridiniobiota Starobogatov ex Doweld (2001) Subkingdom Peridiniobiotina Doweld (2001) Phylum Peridiniophyta Engl. (1909) Subphylum Peridiniophytina Potonie (1894) Class Noctilucophyceae Fensome, Taylor, Norris, Sarjeant, Wharton & Williams (1993) see Class Noctiluciphyceae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)