oxyphototroph prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval. Class Cyanoprokaryota Komárek & Golubić 1990 nom. nud. - cyanoprokaryotes Order Oscillatoriales Schaffner (1922) see Order Oscillatoriales Schaffner 1922 Family Gomontiellaceae Elenkin ex Geitler (1942) see Family Gomontiellaceae Elenkin ex Geitler 1942 Subfamily Hormoscilloideae Anagn. & Komárek (1988) see Family Gomontiellaceae Elenkin ex Geitler (1942) Genus Katagnymene Lemmermann (1899) see Genus Katagnymene Lemmermann 1899