Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 [paraphyletic?] Superphylum Terrabacteria Battistuzzi et al. 2004 Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria Class "Cyanobacteria" Cavalier-Smith, 2002 Subclass Synechococcophycideae Order Pseudanabaenales L. Hoffm., Komárek & Kaštovský (2005) Family Pseudanabaenaceaeᵀ Anagnostidis & Komárek (1988) Subfamily Pseudanabaenoideaeᵀ Genus Geitlerinema (Anagnostidis & Komárek) K. Anagnostidis 1989 [ICBN] Geitlerinema unigranulatum (R.N. Singh) J. Komárek and M.T.P. Azevedo 2000