oxyphototroph prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval. Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes Order Chroococcales Ardissone (1887) see Order Chroococcales corrig. Ardissone 1887 Family Merismopediaceae Elenkin (1933) see Family Microcystaceae Elenkin 1933 Subfamily Merismopedioideae see Family Merismopediaceae Elenkin (1933) Form genus Pilgeria W. Schmidle (1901) see Genus Pilgeria Schmidle 1901