[Class] Cyanobacteria "Stanier (1974)", nom. inval. - cyanoprokaryotes see Class Cyanophyceae Hauck (1885) Order Pleurocapsales Geitler (1925) see Order Chroococcales Ardissone (1887) Family Hydrococcaceae Kützing (1843) see Family Hydrococcaceae Kützing 1843 Genus Myxohyella L. Geitler (1925) see Genus Myxohyella Geitler 1925