[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Class Dinophyceae Pascher (1914)
       Subclass Peridiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
         1 Order Gonyaulacales F.J.R. Taylor (1980)
         2 Order Peridiniales Haeckel (1894)
         3 Family Oxytoxaceae Er. Lindem. (1928)
         4 Genus Heteraulacus Diesing (1850), nom. rej. prop. see Genus Scrippsiella Balech ex A.R. Loebl. (1965)