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 Xenococcaceae Ercegović (1932) see Family Hydrococcaceae Kützing 1843 Form genus Chroococcopsis L. Geitler (1925) see Genus Chroococcopsis Geitler 1925