Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes
   Subclass Synechococcophycidae Hoffmann, Komárek & Kaštovský (2005), nom. inval.
     Order "Pseudanabaenales" L. Hoffm., Komárek & Kaštovský (2005), nom. inval. see Order Pseudanabaenales Hoffmann et al. 2005 nom. nud.
       Family Pseudanabaenaceae Anagn. & Komárek (1988) see Family Pseudanabaenaceae Anagnostidis and Komárek 1988
         Genus Leptolyngbya Anagn. & Komárek (1988), nom. cons. see Genus Leptolyngbya Anagnostidis and Komárek 1988 nom. cons.