Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes Subclass Synechococcophycidae Hoffmann, Komárek & Kaštovský (2005), nom. inval. Order "Synechococcales" Hoffmann, Komárek & Kaštovský (2005), nom. inval. see Order Synechococcales Hoffmann et al. 2005 nom. nud. 1 Family Synechococcaceae Komárek & Anagn. (1995) see Family Synechococcaceae Komárek and Anagnostidis 1995 2 Family "Acaryochloridaceae" Hoffmann, Komárek & Kaštovský (2005), nom. inval. [monotypic] see Family Acaryochloridaceae Komárek, Kaštovský, Mareš & Johansen (2014), nom. inval. 3 Family Merismopediaceae Elenkin (1933) see Family Microcystaceae Elenkin 1933 4 Family Chamaesiphonaceae Borzì (1878) see Family Chamaesiphonaceae Borzì 1878