life see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Prokarya see Domain Bacteria Woese et al. 1990 Kingdom Bacteria (Cohn 1870) Cavalier-Smith 1983 - bacteria see Kingdom Bacteria Cavalier-Smith 2002 Subkingdom Eubacteria Cavalier-Smith 1981 see Domain Bacteria Woese et al. 1990 Division Gracilicutes Gibbons and Murray 1978 (Approved Lists 1980) see Phylum Gracilicutes Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria Class Hormogoneae Thuret (1875) - filamentous cyanobacteria see Class Hormogoneae Cavalier-Smith 2002 Order Nostocales Borzì (1914) Genus Prochlorothrix Burger-Wiersma et al. 1989 see Genus Prochlorothrix T. Burger-Wiersma et al. 1989 [ICBN] Prochlorothrix hollandica Burger-Wiersma et al. (1989)