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 Genus Xenococcus G. Thuret (1880) see Genus Xenococcus Thuret 1880