organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     stramenopiles Patterson, 1990, nom. vernac. see [unranked] Stramenopiles Patterson, 1990
       stramenochromes Patterson, 1994
         Order Raphidomonadida Heywood & Leedale, 1983 see Class Raphidophyceae Chadef. ex P.C.Silva (1980)
           Genus Heterosigma Hara & Chihara (1987)