Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
   Subclass Oscillatoriophycidae Hoffmann, Komárek & Kaštovský (2005), nom. inval.
     Order Oscillatoriales Schaffner (1922) see Order Oscillatoriales Schaffner 1922
       Family Gomontiellaceae Elenkin ex Geitler (1942) see Family Gomontiellaceae Elenkin ex Geitler 1942
         1 Genus Crinalium W.B. Crow (1927) see Genus Crinalium Crow 1927
         2 Form genus Gomontiella E.C. Teodoresco (1901) see Genus Gomontiella Teodoresco 1901
         3 Form genus Starria N.J. Lang (1977) see Genus Starria Lang 1977